The arithmetic mean is the **simplest and most widely used measure of a mean, or average**. It simply involves taking the sum of a group of numbers, then dividing that sum by the count of the numbers used in the series. For example, take the numbers 34, 44, 56, and 78. The arithmetic mean is 212 divided by four, or 53.

Contents

- 1 What is i in arithmetic mean?
- 2 Why we use arithmetic mean in statistics?
- 3 What is arithmetic mean and its types?
- 4 What is the formula for calculating arithmetic mean?
- 5 What is a arithmetic mean?
- 6 What is the arithmetic mean between 10 and 24?
- 7 Where do you use arithmetic mean?
- 8 How is arithmetic mean used in real life?
- 9 What is arithmetic mean of P and Q?
- 10 What is the arithmetic mean between 2 and 8?
- 11 How do you find the arithmetic mean from a table?
- 12 Arithmetic mean – Wikipedia
- 13 Definition
- 14 Motivating properties
- 15 Contrast with median
- 16 Generalizations
- 17 Symbols and encoding
- 18 See also
- 19 References
- 20 Further reading
- 21 External links
- 22 Arithmetic Mean Definition
- 23 How the Arithmetic Mean Works
- 24 Limitations of the Arithmetic Mean
- 25 Arithmetic vs. Geometric Mean
- 26 Example of the Arithmetic vs. Geometric Mean
- 27 Arithmetic Mean: Definition How to Find it
- 28 What is the Arithmetic Mean?
- 29 How to find the Arithmetic Mean
- 30 Population vs. Sample Mean
- 31 Showing the Arithmetic Mean is Greater than the Geometric Mean
- 32 References
- 33 Arithmetic Mean
- 34 Arithmetic Mean
- 35 Statistics – Arithmetic Mean
- 36 Individual Data Series
- 37 Discrete Data Series
- 38 Continuous Data Series
- 39 Useful Video Courses
- 40 See also
- 41 Explore with Wolfram|Alpha
- 42 Referenced on Wolfram|Alpha
- 43 Cite this as:
- 44 Subject classifications
- 45 Appendix 6. Calculation of arithmetic and geometric means
- 46 Arithmetic Mean
- 47 Arithmetic Mean
- 48 Sign Up For Our FREE Newsletter!
- 49 Arithmetic Mean Formula
- 50 What is the Arithmetic Mean Formula?

## What is i in arithmetic mean?

The arithmetic mean is the sum of all the numbers in a data set divided by the quantity of numbers in that set. More precisely, The arithmetic mean x of a collection of n numbers (from a 1 a_1 a1 through a n a_n an) is given by the formula. x ‾ = 1 n ∑ i = 1 n a i = a 1 + a 2 + a 3 + ⋯ + a n n.

## Why we use arithmetic mean in statistics?

The arithmetic mean is a measure of central tendency. It allows us to characterize the center of the frequency distribution of a quantitative variable by considering all of the observations with the same weight afforded to each (in contrast to the weighted arithmetic mean).

## What is arithmetic mean and its types?

Arithmetic Mean is simply the mean or average for a set of data or a collection of numbers. In mathematics, we deal with different types of means such as arithmetic mean, arithmetic harmonic mean, geometric mean and geometric harmonic mean.

## What is the formula for calculating arithmetic mean?

One method is to calculate the arithmetic mean. To do this, add up all the values and divide the sum by the number of values. For example, if there are a set of “n” numbers, add the numbers together for example: a + b + c + d and so on. Then divide the sum by “n”.

## What is a arithmetic mean?

The arithmetic mean is the simplest and most widely used measure of a mean, or average. It simply involves taking the sum of a group of numbers, then dividing that sum by the count of the numbers used in the series.

## What is the arithmetic mean between 10 and 24?

Using the average formula, get the arithmetic mean of 10 and 24. Thus, 10+24/2 =17 is the arithmetic mean.

## Where do you use arithmetic mean?

It is used when all the values in the given data have the same unit of measurement such as all the given numbers are heights, miles, hours, etc. For example, consider numbers 4, 7, 9, and 10. The sum of the numbers is 30 and the count of numbers is 4. The arithmetic mean of the numbers is 30 divided by 4 or 7.5.

## How is arithmetic mean used in real life?

The arithmetic mean is used frequently not only in mathematics and statistics but also in fields such as economics, sociology, and history. For example, per capita income is the arithmetic mean income of a nation’s population.

## What is arithmetic mean of P and Q?

If A is the arithmetic mean and p and q be two geometric means between two numbers a and b, then prove that: p^(3)+q^(3)=2pq ” A” p and q are the G.M.’s between a and b. ∴ a,p,q,bare∈G.

## What is the arithmetic mean between 2 and 8?

Complete step-by-step answer: Thus the arithmetic mean of two numbers 2 and 8 is 5.

## How do you find the arithmetic mean from a table?

It is easy to calculate the Mean: Add up all the numbers, then divide by how many numbers there are.

## Arithmetic mean – Wikipedia

See Mean for a more in-depth discussion of this subject. Generally speaking, in mathematics and statistics, thearithmetic mean (pronounced air-ith-MET -ik) or arithmetic average (sometimes known as simply themean or theaverage when the context is obvious) is defined as the sum of a collection of numbers divided by the number of items in the collection. A collection of results from an experiment or an observational research, or more typically, a collection of results from a survey, is commonly used.

In addition to mathematics and statistics, the arithmetic mean is commonly employed in a wide range of subjects, including economics, anthropology, and history, and it is employed to some extent in virtually every academic field.

Because of skewed distributions, such as the income distribution, where the earnings of a small number of people exceed the earnings of most people, the arithmetic mean may not correspond to one’s conception of the “middle,” and robust statistics, such as the median, may provide a more accurate description of central tendency.

## Definition

The arithmetic mean (also known as the mean or average), indicated by the symbol (readbar), is the mean of a data collection. Among the several measures of central tendency in a data set, the arithmetic mean is the most widely used and easily comprehended. The term “average” refers to any of the measures of central tendency used in statistical analysis. The arithmetic mean of a collection of observed data is defined as being equal to the sum of the numerical values of each and every observation divided by the total number of observations in the set of data being considered.

The arithmetic mean is defined as A statistical population (i.e., one that contains every conceivable observation rather than merely a subset of them) is marked by the Greek letter m, and the mean of that population is denoted by the letter m.

Not only can the arithmetic mean be computed for scalar values, but it can also be defined for vectors in many dimensions; this is referred to as the centroid.

More generally, because the arithmetic mean is an aconvex combination (i.e., the coefficients add to 1), it may be defined on any convex space, not only a vector space, according to the definition above.

## Motivating properties

The arithmetic mean has a number of characteristics that make it particularly helpful as a measure of central tendency, among other things. These are some examples:

## Contrast with median

The arithmetic mean and the median can be compared and contrasted. The median is defined as the point at which no more than half of the values are greater than and no more than half are less than the median. If the elements of the data grow arithmetically when they are arranged in a particular order, then the median and arithmetic average are the same. Take, for example, the data sample described above. The average and the median are both correct. When we take a sample that cannot be structured in such a way that it increases arithmetically, such as the median and arithmetic average, the differences between the two can be considerable.

As a rule, the average value can deviate greatly from the majority of the values in the sample, and it can be significantly greater or lower than the majority of them.

Because of this, for example, median earnings in the United States have climbed at a slower rate than the arithmetic average of earnings since the early 1980s.

## Generalizations

If certain data points count more highly than others, then the average will be a weighted average, or weighted mean. This is because some data points are given greater weight in the computation. In the case ofandis, for example, the arithmetic mean, or equivalently An alternative method would be to compute a weightedmean, in which the first number is given more weight than the second (maybe because it is believed to appear twice as frequently in the broader population from which these numbers were sampled) and the result would be.

Arithmetic mean (also known as “unweighted average” or “equally weighted average”) can be thought of as a specific instance of the weighted average in which all of the weights are equal to each other in a given set of circumstances (equal toin the above example, and equal toin a situation withnumbers being averaged).

### Continuous probability distributions

Whenever a numerical property, and any sample of data from it, can take on any value from a continuous range, instead of just integers for example, the probability of a number falling into some range of possible values can be described by integrating a continuous probability distribution across this range, even when the naive probability of a sample number taking one specific value from an infinitely many is zero.

Themean of the probability distribution is the analog of a weighted average in this context, in which there are an infinite number of possibilities for the precise value of the variable in each range, and is referred to as the weighted average in this context.

The normal distribution is also the most commonly encountered probability distribution. Other probability distributions, such as the log-normal distribution, do not follow this rule, as seen below for the log-normal distribution.

### Angles

When working with cyclic data, such as phases or angles, more caution should be exercised. A result of 180° is obtained by taking the arithmetic mean of one degree and three hundred fifty-nine degrees. This is false for two reasons: first, it is not true.

- Angle measurements are only defined up to an additive constant of 360° (or 2 in the case of inradians) for several reasons. Due to the fact that each of them produces a distinct average, one may just as readily refer to them as the numbers 1 and 1, or 361 and 719, respectively. Second, in this situation, 0° (equivalently, 360°) is geometrically a better average value because there is less dispersion around it (the points are both 1° from it and 179° from 180°, the putative average)
- Third, in this situation, 0° (equivalently, 360°) is geometrically a better average value because there is less dispersion around it (the points are both 1° from it and 179° from 180°, the putative average

An oversight of this nature will result in the average value being artificially propelled towards the centre of the numerical range in general use. Using the optimization formulation (i.e., defining the mean as the central point: that is, defining it as the point about which one has the lowest dispersion), one can solve this problem by redefining the difference as a modular distance (i.e., defining it as the distance on the circle: the modular distance between 1° and 359° is 2°, not 358°).

## Symbols and encoding

The arithmetic mean is frequently symbolized as a bar (also known as a vinculumormacron), as in the following example: (readbar). In some applications (text processors, web browsers, for example), the x sign may not be shown as expected. A common example is the HTML code for the “x” symbol, which is made up of two codes: the base letter “x” and a code for the line above (772; or “x”). When a text file, such as a pdf, is transferred to a word processor such as Microsoft Word, the x symbol (Unicode 162) may be substituted by the cent (Unicode 162) symbol (Unicode 162).

## See also

- The Fréchet mean, the generalized mean, the geometric mean, the harmonic mean, the inequality of arithmetic and geometric means, and so on. The mode, the sample mean, and the covariance
- The standard deviation is the difference between two values. The standard error of the mean is defined as the standard deviation of the mean. Statistical summaries

## References

- Jacobs, Harold R., et al (1994). Mathematics Is a Human-Inspired Effort (Third ed.). p. 547, ISBN 0-7167-2426-X
- AbcMedhi, Jyotiprasad, W. H. Freeman, p. 547, ISBN 0-7167-2426-X
- (1992). An Introduction to Statistical Methods is a text that introduces statistical methods. International New Age Publishing, pp. 53–58, ISBN 9788122404197
- Weisstein, Eric W. “Arithmetic Mean”.mathworld.wolfram.com. Weisstein, Eric W. “Arithmetic Mean”. retrieved on the 21st of August, 2020
- Paul Krugman is a well-known economist (4 June 2014). “Deconstructing the Income Distribution Debate: The Rich, the Right, and the Facts” is the title of the paper. The American Prospect
- Tannica.com/science/mean|access-date=2020-08-21|website=Encyclopedia Britannica|language=en
- Tannica.com/science/mean|access-date=2020-08-21|website=Encyclopedia Britannica|language=en (30 June 2010). June 30, 2010: “The Three M’s of Statistics: Mode, Median, and Mean June 30, 2010.” “Notes on Unicode for Stat Symbols,” which was published on 3 December 2018, was retrieved. retrieved on October 14, 2018
- If AC =a and BC =b, OC =AMofa andb, and radiusr = QO = OG, then AC =a and BC =b Using Pythagoras’ theorem, QC2 = QO2 + OC2 QC = QO2 + OC2 = QM. QC2 = QO2 + OC2 = QM. Using Pythagoras’ theory, OC2 = OG2 + GC2 GC = OC2 OG2=GM. OC2 = OG2 + GC2 GC = OC2 OG2=GM. Using comparable triangles, HC/GC=GC/OC=HM
- HC =GC2/OC=HM

## Further reading

- Darrell Huff is a writer who lives in the United States (1993). How to Deceive Statistics in Your Favor. W. W. Norton and Company, ISBN 978-0-393-31072-6

## External links

- Arithmetic mean and geometric mean of two numbers are computed and compared, and Utilize the functions of fxSolver to compute the arithmetic mean of a sequence of values.

## Arithmetic Mean Definition

It is the simplest and most generally used measure of amean, or average, since it is the most straightforward to calculate. It is as simple as taking the total of a set of numbers and dividing that sum by the amount of numbers that were used in the series to arrive at the answer. Let’s say you have the numbers 34, 44, 56, and 78 on your hands. The total comes to 212. The arithmetic mean is equal to 212 divided by four, which equals 53. Additionally, people employ a variety of different sorts of means, such as thegeometric mean and theharmonic mean, which come into play in a variety of scenarios in finance and investment.

### Key Takeaways

- Arithmetic mean: The simple average, also known as the total sum of a series of numbers, divided by the number of numbers in that series of numbers
- Because of this, arithmetic mean is not always the most appropriate approach of computing an average in the financial sector, especially when a single outlier might distort the average by a significant amount. Other averages that are more widely employed in finance include the geometric mean and the harmonic mean
- However, the geometric mean is not utilized in finance.

## How the Arithmetic Mean Works

The arithmetic mean retains its significance in the field of finance as well. To give an example, mean earnings predictions are often calculated using the arithmetic mean. Consider the following scenario: you want to know the average earnings projection of the 16 analysts covering a specific stock. To find the arithmetic mean, just add up all of the estimations and divide the total by 16. The same is true if you wish to figure out what a stock’s average closing price was for a specific month.

To find the arithmetic mean, just add up all of the costs and divide by 23 to arrive at the final figure.

The arithmetic mean is straightforward, and most people with even a rudimentary understanding of economics and mathematics can compute it. As a measure of central tendency, it’s also valuable because it tends to produce relevant findings even when dealing with big groupings of numbers.

## Limitations of the Arithmetic Mean

The arithmetic mean isn’t always the best choice, especially when a single outlier has the potential to significantly distort the mean. Consider the following scenario: you need to estimate the allowance for a group of ten children. Nine of them are given a weekly stipend ranging between $10 and $12. The tenth child is entitled to a $60 stipend. Because of that one outlier, the arithmetic mean will be $16, not $16 + $1. This is not a particularly representative sample of the group. In this specific instance, the medianallowance of ten points could be a more appropriate metric.

It is also not commonly utilized to compute present and future cash flows, which are employed by analysts in the preparation of their forecasts.

### Important

The arithmetic mean isn’t always the best choice, especially when a single outlier has the potential to significantly distort the average. Say you’re trying to figure out how much money you should give a group of ten children. They each receive between $10 and $12 in weekly stipend. A $60 allowance is given to the tenth child. Because of that one outlier, the arithmetic mean will be $16, not $16 + $0. In terms of representation of the group, this is not particularly representative. In this specific instance, themedianallowance of ten points could be a more appropriate metric to employ.

As a result, it is not commonly utilized to compute present and future cash flows, which are employed by analysts to make their projections.

## Arithmetic vs. Geometric Mean

The geometric mean, which is determined in a different way, is frequently used in these applications by analysts. When dealing with series that demonstrate serial correlation, the geometric mean is the most appropriate choice. This is particularly true in the case of investment portfolios. The majority of returns in finance are connected, including bond yields, stock returns, and market risk premiums, among other things. Because of this, the use of crucial compounding and the geometric mean becomes increasingly important as the time horizon grows.

Taking the product of all the numbers in the series, the geometric mean increases it by the inverse of the length of the series, yielding the geometric mean.

The geometric mean varies from the arithmetic mean in that it takes into consideration the compounding that occurs from one period to the next. As a result, investors often believe that the geometric mean is a more accurate estimate of returns than the arithmetic mean.

## Example of the Arithmetic vs. Geometric Mean

Suppose the returns on an investment during the previous five years were 20 percent, 6 percent, 10 percent, -1 percent, and 6 percent, respectively. The arithmetic mean would simply put them all together and divide by five, yielding an annualized rate of return of 4.2 percent on average. The geometric mean, on the other hand, would be computed as (1.2 x 1.06 x 0.9 x 0.99 x 1.06) 1/5-1 = 3.74 percent per year average return on the investment. It is important to note that the geometric mean, which is a more accurate computation in this circumstance, will always be less than the arithmetic mean in this situation.

## Arithmetic Mean: Definition How to Find it

Statistics Terms and Definitions Arithmetic MeanContents: arithmetic mean

- What is the Arithmetic Mean
- How to determine it (with examples)
- What is the Arithmetic Mean The mean of the population vs the mean of the sample It is demonstrated by showing that the Arithmetic Mean is greater than the Geometric Mean.

## What is the Arithmetic Mean?

The arithmetic mean, often known as the mean or the average, is a mathematical expression. When someone refers to the mean of a data collection, they are often referring to the arithmetic mean (although most people do not use the term “arithmetic” in this context). It is given a distinct name in order to distinguish it from other means found in mathematics, such as the geometric mean. Because outliers have an impact on the mean, it is not necessarily a reliable predictor of where the middle of a data collection is located.

## How to find the Arithmetic Mean

Arithmetic Mean (also known as Arithmetic Median) Step 1: Add the numbers together. Finding the arithmetic mean requires two steps: first, add all of the numbers together, and then divide the total number of items in your set by the number of items in your set. The arithmetic mean is calculated in exactly the same way as the sample mean (where “sample” simply refers to the number of items in your data collection). Watch the video or follow the instructions outlined below: An illustration of a problem: Calculate the arithmetic mean of the average driving speed for one automobile during the course of a six-hour journey: 54 miles per hour, 57 miles per hour, 58 miles per hour, 66 miles per hour, 69 miles per hour, 71 miles per hour Step 1: Sum all of the numbers together: 54 plus 57 plus 58 plus 66 plus 69 plus 71 equals 375.

Step 2: Divide the total amount by the number of items in the collection.

Solution: The average driving speed in the United States is 62.5 miles per hour.

## Population vs. Sample Mean

If your data comes from a population, the mean is referred to as the apopulation mean, which is symbolized by the letter a. If the list is an asample, the list is referred to as an asample meanx.

## Showing the Arithmetic Mean is Greater than the Geometric Mean

Consider the convex functionf(x) = -log x, which demonstrates the validity of this proposition. Let X be a discrete random variable with values x 1, x 2,., x n and probabilities 1/n: Let X be a discrete random variable with values x 1, x 2,., x n and probabilities 1/n: According to Jensen’s inequality: E(-logX) – logE is equal to E(-logX) (X).

Please also visit our YouTube channel, where you can find hundreds of videos on statistics and calculus.

## References

A. Khuri’s Advanced Calculus with Applications in Statistics, Second Edition, is available online. Wiley.- Do you require assistance with a homework or exam question? With Chegg Study, you can obtain step-by-step answers to your questions from someone who is an expert in the subject matter. The first 30 minutes of your time with a Chegg coach are completely free! Comments? Do you need to make a correction? Please leave a remark on our Facebook page if you have one.

## Arithmetic Mean

Arithmetic The mean, which is an often used word in statistics, is the average of the numerical values in a set. It is derived by first computing the sum of the numbers in the set and then dividing the resulting by the number of numbers in the set, as shown in the example below.

### Arithmetic Mean Formula

The following is a representation of the formula: The Arithmetic Mean is defined as x1 + x2 + x3 +.+ xn / n. You are allowed to use this image on your website, in templates, or in any other way you see fit. Please credit us by include a link to this page. Hyperlinking an article link will be implemented. As an illustration: The Arithmetic Mean is the source of this information (wallstreetmojo.com) Where,

- X 1, x 2, x 3, x nare the observations
- N is the number of observations
- X 1, x 2, x 3, x nare the observations

Alternatively, it may be represented graphically as illustrated below- The symbol sigma is used in the preceding Equation to represent the symbol sigma. It denotes the addition of all of the values.

### Steps to Calculate Arithmetic Mean

- Step 1: Compute the total of all of the observations
- Step 2:

- Arithmetic Mean = x1+x2+x3+.+xn/n
- Arithmetic Mean = x1+x2+x3+.+xn/n If you want to think in symbolic terms, the Arithmetic Mean Formula is expressed as follows:

### Examples

There are five points to consider. These are the numbers 56, 44, 20, 50, and 80. Calculate the arithmetic mean of the data. Solution

- The observations in this case are 56, 44, 20, 50, and 80
- N = 5

n = 5 observations were made in this case; the numbers were 56, 44, 20, 50, 80.

#### Example2

The observations in this case are 56, 44, 20, 50, and 80; n = 5.

Name of the Worker | Wages ($) |
---|---|

Jeffery Gates | 100 |

George Clinton | 120 |

Thomas Smith | 250 |

Kamala Sanders | 90 |

Steve Roosevelt | 110 |

Martha Smith | 40 |

Clara Truman | 50 |

Nicholas Obama | 150 |

Michael Carlin | 70 |

Arnold Smith | 100 |

Number of Observations (n) | 10 |

Make an estimate of the arithmetic mean of the CEO’s pay. Solution As a result, the following is the calculation:

#### Example3

It is the Principal of a school who summons two teachers to his office. One of the teachers teaches Division A, and the other teacher teaches Division B, respectively. Both of them believe that their techniques of teaching are superior to the other’s. After considering all of the data, the Principal determines that the Division with the higher arithmetic mean of marks will have had a superior instructor. The following are the grades of seven students from each of the two Divisions who studied together.

Sr. No | Division A | Division B |
---|---|---|

Student 1 | 56 | 70 |

Student 2 | 60 | 65 |

Student 3 | 56 | 60 |

Student 4 | 64 | 65 |

Student 5 | 70 | 75 |

Student 6 | 55 | 55 |

Student 7 | 50 | 65 |

In a school, the Principal summons two teachers to his office – one who teaches in Division A and the other who teaches in Division B. Both of them believe that their ways of teaching are better to the other’s techniques. The Principal determines that the Division with a higher arithmetic mean of marks will have had a better teacher than the other divisions in the school. There were seven students in each Division who received the following grades: Division B is comprised of the following: As a result, the following is the calculation: Division A’s arithmetic mean is 58.71 points, while Division B’s arithmetic mean is 65 points (higher)

### Arithmetic Mean in Excel

Grandsoft Inc. is a publicly traded corporation that is traded on the stock markets. A stock exchange is a market that facilitates the buying and selling of listed securities such as public company stocks, exchange-traded funds, debt instruments, options, and so on, in accordance with the standard regulations and guidelines—for example, the NYSE and NASDAQ—in accordance with the standard regulations and guidelines. Continue reading for more information. Various experts have set a target price for the company, which they believe will be reached.

When it comes to investing, a price target represents the price at which an investor is willing to purchase or sell a company at a specific point in time, or the price at which they will be willing to leave their current position.

Continue reading for more information. Calculate the arithmetic mean of the stock prices using the formula below.

Analyst | Target Price |
---|---|

A | 1000 |

B | 1200 |

C | 900 |

D | 900 |

E | 1500 |

F | 750 |

G | 750 |

Solution The mean may be calculated using an Excel formula that is pre-installed. The first step is to choose a blank cell and type =AVERAGE (B2: B8) Step 2 – To obtain the answer, press the Enter key.

### Relevance and Uses

Arithmetic mean is one of the most significant statistics and is most usually employed as a measure of central tendency, which is a measure of how much something has changed over time. The Central Tendency of a Data Distribution is a statistical metric that depicts the point in the middle of the complete Data Distribution. It may be discovered using three distinct measurements, namely the mean, median, and mode. Continue reading for more information. It is simple to compute and does not need a thorough understanding of high-level statistics.

Data, whether qualitative or quantitative, can be used to make more informed and effective decisions that are more relevant to the situation.

It is employed when all of the observations in a data collection are of equal significance.

### Recommended Articles

Arithmetic Mean Formula has been explained in this article. Practical examples and a downloadable Excel template are provided to help you understand how to calculate the arithmetic mean using the formula provided in this section. Several articles about excel modeling are available online, including the ones below.

- Calculating exponents in Excel
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## Arithmetic Mean

The arithmetic mean is the average of a collection of numbers that indicates the central tendency of the numbers’ positions in the collection. It is frequently employed as an aparameter. Parameter A parameter is a statistical analytic tool that may be used to gather information. It refers to the qualities that are used to categorize and describe a certain group of people. It is used in statistical distributions, or as a consequence of an experiment or a survey, it is used to summarize the observations made during the experiment or survey.

The arithmetic mean is the most straightforward and extensively used sort of mean.

### Summary

- It is possible to compute the arithmetic mean of a collection of numbers by dividing their total sum by their total count
- This is done to determine the central tendency of the collection of numbers. Because outliers can distort the distribution of a data collection, the arithmetic mean is not always capable of accurately identifying the “location” of a data set. Specifically in finance, the arithmetic mean is helpful for estimating future outcomes

### How to Calculate the Arithmetic Mean

A collection of numbers is added together and the total of the numbers is divided by the number of numbers in that collection to find the arithmetic mean. The following is a mathematical expression to remember: Where:

- In this equation, A I is the value of the i-th observation, and n is the number of observations.

The closing prices of a stock for the previous five days, for example, are gathered and are as follows: $89, $86, $79, $93, and $88 accordingly. Consequently, the arithmetic mean of the stock price comes to $87. In this case, it represents the core trend of the stock price during the previous five days. By comparing the current stock price to the 5-day average price, it represents the current position of the stock price. Because, as its formula demonstrates, the arithmetic mean measures every observation value equally, it is sometimes referred to as an unweighted average or an equally-weighted average, respectively.

In order for the collection of observations to be complete, all of the weights must add up to 1. Each observation in the collection will be assigned a weight of 1/n using the arithmetic mean. This is assumed to be true if there are n observations in the collection. Where:

### Arithmetic Mean, Median, and Mode

The arithmetic mean is a statistic that is widely used to determine the “center location” of a distribution of values for a collection of data. However, it is not necessarily the most accurate predictor. Outliers are observations that occur from time to time that are statistically considerably bigger or smaller than the rest of the group. Outliers are data points that are not typical of a collection of data, but they have the potential to have a large influence on the arithmetic mean. A positively skewed collection of data has outliers that are extraordinarily large in comparison to the mean; a negatively skewed collection of data has outliers that are extremely tiny in comparison to the mean.

- Median When a dataset is displayed in ascending order, the median value is determined by using a statistical measure known as the median value (i.e., from smallest to largest value).
- When it comes to values, the mode is the one that appears the most frequently.
- On the other hand, outliers have a significantly lower influence on the two parameters (especially the mode).
- When a data collection is positively skewed, the median and mode are both smaller than the arithmetic mean of the data set.

### Arithmetic Mean, Geometric Mean, and Harmonic Mean

In addition to the arithmetic mean, the geometric mean and the harmonic mean are two more forms of averages that are often employed in the banking industry. The many forms of methods are used for a variety of different goals and objectives. When attempting to calculate the average of a collection of raw variables, such as stock prices, the arithmetic mean should be utilized. When dealing with a collection of percentages that are generated from raw numbers, such as the % change in stock prices, the geometric mean should be utilized.

- Since dividends and other profits are reinvested, the geometric mean is considered to be a more acceptable way of determining the average historical performance of investment portfolios.
- The harmonic mean can cope with fractions with a variety of denominators, including negative fractions.
- EV/EBITDA The Enterprise Worth (EV) to EBITDA multiple (EV/EBITDA) is used in valuation to analyze the value of similar organizations by comparing their Enterprise Value (EV) to EBITDA multiple (EBITDA) in comparison to an average.
- When the arithmetic mean is used, data with unequal denominators will have different weights than data with equal denominators.
- Per-Share Earnings (EPS) (EPS) Earnings per share (EPS) is a significant indicator that is used to evaluate how much of a company’s earnings is distributed to ordinary shareholders.

The earnings per share (EPS) quantifies the profit made by each common share), which is rarely the case. Because the harmonic mean applies identical weights to all of the data in a group, regardless of whether the denominators are equal or not, it is a useful tool for statistical analysis.

### Related Readings

In addition to the arithmetic mean, the geometric mean and the harmonic mean are two more forms of averages that are frequently employed in the banking industry. There are several distinct sorts of methods that are used for various tasks and objectives. When seeking the average of a collection of raw variables, such as stock prices, the arithmetic mean should be employed. When dealing with a collection of percentages that are generated from raw numbers, such as the % change in stock prices, the geometric mean should be employed.

- Since dividends and other profits are reinvested, the geometric mean is considered to be a more accurate way of determining the historical average performance of investment portfolios.
- In the case of fractions having distinct denominators, the harmonic mean can be used to represent them.
- EV/EBITDA When comparing the worth of similar firms, the Enterprise Value to EBITDA multiple (EV/EBITDA) is used to assess the value of the businesses relative to the average.
- When the arithmetic mean is applied to a set of data with unequal denominators, the weights for each data point will change.
- Per-Share Earnings (EBITDA) (EPS) In order to estimate the common shareholder’s share of the company’s profit, earnings per share (EPS) is a critical indicator to consider.
- Because the harmonic mean applies identical weights to all of the data in a group, regardless of whether the denominators are equal or not, it has the benefit of being more accurate.

- In addition to the arithmetic mean, the geometric mean and the harmonic mean are two more forms of averages that are often employed in the financial sector. The many forms of methods are used for a variety of diverse reasons. When looking for the average of a collection of raw variables, such as stock prices, the arithmetic mean should be employed. When dealing with a group of percentages that are generated from raw numbers, such as the % change in stock prices, the geometric mean should be utilized. The geometric mean also takes into consideration the compounding impact that occurs over time, which is not reflected by the arithmetic mean. Since dividends and other profits are reinvested, the geometric mean is more suited for measuring the average historical performance of investment portfolios. Often, the arithmetic mean is employed in order to forecast future results. The harmonic mean is capable of dealing with fractions with a variety of denominators. As a result, it is the most appropriate technique to average ratios, such as the price-to-earnings and enterprise value-to-earnings ratios. EV/EBITDA The Enterprise Worth (EV) to EBITDA multiple (EV/EBITDA) is used in valuation to assess the value of similar organizations by comparing their Enterprise Value (EV) to EBITDA multiple (EBITDA) in relation to an average. In this post, we will break down the EV/EBTIDA multiple into its numerous components and bring you through the process of calculating it step by step ratios. When the arithmetic mean is applied to a set of data with unequal denominators, the weights for each data point will be different. Except in cases when all of the P/E ratios in a group have the same value for the denominator (the same profits per share), the arithmetic mean of P/E ratios is skewed. Per-Share Earnings (EPS) Earnings per share (EPS) is an important indicator that is used to calculate the amount of a company’s earnings that goes to the common shareholders. EPS (earnings per share) represents the profit made by each common share), which is rarely the case. Because the harmonic mean applies identical weights to all of the data in a group, regardless of whether the denominators are equal or not, it is a useful tool for data analysis.

## Statistics – Arithmetic Mean

The Arithmetic Mean is the most widely used and simply comprehended measure of central tendency in statistics. The mean may be defined as the value produced by dividing the total of measurements by the number of measurements contained in the data set, and it is indicated by the symbol $bar $ (which stands for “barometer”). We’ll go through three different types of series and how to compute theArithmetic Mean for each of them:

- Individual data series, discrete data series, and continuous data series are all types of data series.

## Individual Data Series

When information is provided on an individual basis. The following is an illustration of a single series:

## Discrete Data Series

When data is provided together with its frequency distributions. The following is an illustration of a discrete series:

## Continuous Data Series

It is used when data is provided in the form of ranges and their frequencies.

The following is an illustration of a continuous series:

## Useful Video Courses

Algebra Applied Mathematics is a branch of mathematics that is used in a variety of applications. Calculus and Statistical Analysis Discrete Mathematics is a branch of mathematics that deals with discrete events. The Mathematics of the Foundations Geometry The Background and Terminology Number Theory is a branch of mathematics that studies the relationships between numbers. Probability and Statistics are two terms that are used interchangeably. Recreational Mathematics is a term that refers to the study of mathematics for fun.

- The arithmetic mean of a set of values is the amount typically referred to as “the” mean or “the average” of the data set in question.
- It is possible to compute it in the Wolfram Language by utilizing the Mean function.
- A continuous distribution function has an arithmetic mean of the population, represented by,”>, or alternatively known as the population mean of the distribution, which may be calculated as Where”> denotes the value of the expectation.
- Where”> denotes the expected value.
- The arithmeticmean satisfies the condition for positive arguments.
- This may be demonstrated as follows.
- In order to demonstrate the second portion of the imbalance, With the help of equalityiff.
- Given a set of independent randomnormally distributed variables, each with a mean and variance corresponding to the population, As a result, the sample mean is a reliable predictor of the population mean.
- When dealing with big samples, is about usual.

The variance of the sample mean is independent of the distribution and can be calculated using the formula It is more efficient to estimate population mean from small samples than the statistical median, and it costs roughly less to do so than the statistical median (Kenney and Keeping 1962, p.

A parameter estimator of a probability distribution is said to be more efficient than another one if it has a smaller variance than the other one in this context.

As a result, the variation of the sample mean is typically lower than the variance of the sample median. The ratio of thisvariance indicates the relative efficiency of two estimators compared to one another. A general expression that is frequently accurate in its approximation is

## See also

Arithmetic-Harmonic Mean, Arithmetic-Logarithmic Mean, Arithmetic-Logarithmic-Geometric Mean Statistical Medians, Root-Mean-Square, SampleMean,Sample Variance,Skewness, Standard Deviation, Weighted Medians and Trimean Variances are all terms that are used to describe the distribution of a mean. They are also known as Cumulants, Geometric Means, Harmonic Means and Harmonic-Geometric Means. They are also known as Kurtosis Means and Kurtosis Deviation. In the MathWorld classroom, you may learn more about this topic.

## Explore with Wolfram|Alpha

M. Abramowitz and I. A. Stegun have published a paper in which they discuss their work (Eds.). This is the ninth printing of the Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. Dover Publications, New York, p. 10, 1972. In Alzer, H., “A Proof of the Arithmetic Mean-Geometric Mean Inequality,” he shows that the arithmetic mean is greater than the geometric mean. American Mathematical Monthly, vol. 103, no. 585, 1996. Inequalities, edited by E. F. Beckenbach and R.

- The Springer-Verlag publishing house in New York published this book in 1983.
- Bullen, P.
- S.; and Vasi, P.
- Means and Inequalities in the Social Sciences.
- Exploring Euler’s Constant with J.Gamma, Havil, J.Gamma: 2002.
- 2003.
- 119-121.

Hardy, G.

E., and Pólya, G.

New York: Springer-Verlag.

“Averages on the Move,” written by L.

Niven.

58, no.

Kenney, J.

S., “Mathematics of Statistics, Pt.

F., and Keeping, E.

1, 3rd ed.” Van Nostrand Publishers, Princeton, New Jersey, 1962.

S.

Springer-Verlag.

S.; Peari, J.

M.Classical and New Inequalities in Analysis.

Kluwer Academic Publishers, Dordrecht, the Netherlands, 1993.

Zwillinger, D.

Mathematics Tables and Formulae that meet the CRCStandards.

601 (with index).

## Referenced on Wolfram|Alpha

Arithmetic Mean (also known as Arithmetic Median)

## Cite this as:

Weisstein, Eric W., “Arithmetic Mean,” in Encyclopedia of Mathematics and Statistics. Adapted from MathWorld, a Wolfram Web resource.

## Subject classifications

Eric Weisstein at Wolfram Research invented, developed, and fostered the concept.

## Appendix 6. Calculation of arithmetic and geometric means

It is possible to measure the central tendency of a set of numbers using a variety of ways. Calculating thearithmetic mean is one approach of doing so. Adding up all of the values and dividing the total by the number of values is how to do this. Consider the following example: If there is a collection of “n” integers, add the numbers together, for instance: a + b + c + d, and so on. Then divide the total by the number “n.” One issue with the arithmetic mean is that its value will be disproportionately influenced by a single extreme value, which can be problematic.

- Take the “n th ” root of the values after multiplying them together.
- The effect of single extreme values is reduced as a result.
- To multiply, all you have to do is add the log indices together.
- Exemplification in Action In a serological test, you have documented the results of the following set of values.

2 3= 82 4= 162 2 3= 82 4= 162 4= 162 6= 64 4= 162 6= 64 Formula for calculating the geometric mean =4 (8 16 16 ) =4 (131072) = 19 When the log indices are used to get the geometric mean, the geometric mean equals = 2 4.3= 19.7.

## Arithmetic Mean

- The arithmetic mean is a simple raw average that is used in mathematics. It is equal to the sum of the totals divided by the number of totals. It is also referred to as an unweighted average in some circles.

### Calculating an Average

As an illustration (1, 2, 2, 2, 3, 9). The arithmetic mean is calculated as 19/6 = 3.17. Arithmetic means are employed in a variety of contexts, such as calculating cricket averages. It is necessary to apply arithmetic means in order to calculate average earnings and GDP per capita figures. The use of arithmetic means, on the other hand, might provide statistics that are slightly deceptive. For example, the average Gross Domestic Product (GDP) per capita in Saudi Arabia is relatively high. The average, on the other hand, is enhanced by extremely high levels of income among a small number of people.

- As seen in the preceding case.
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## Arithmetic Mean

Scott had seven math examinations in a single marking session, which was a problem. What is the mean score on the test? 89,73,84,91,87,77,94 The answer is 595 since the total of these numbers is 595. Taking the sum and dividing it by the number of test scores we receive: The typical score on the test is 85 points. This definition states that thearithmetic meanofa collection of data is obtained by adding all of the data together and dividing the sum by the total number of data values included within the set.

- As previously stated, the mean in the problem was a full number.
- Continue reading for some more instances.
- 66 miles per hour, 57 miles per hour, 71 miles per hour, 54 miles per hour, 69 miles per hour, 58 miles per hour Solution: 66 plus 57 plus 71 plus 54 plus 69 plus 58 = 375 Answer: The average driving speed is 62.5 miles per hour (mph).
- The price of gasoline differed from one state to another.
- $1.79, $1.61, $1.96, $2.08Solution: $1.79 + $1.61 + $1.96 + $2.08 = $7.44 $1.79 + $1.61 + $1.96 + $2.08 The average price of gasoline is $1.86 per gallon.
- Example 3: In this marathon, what is the average time for finishing?
- Exemple No.

Summary: The arithmetic mean of a set of n integers is equal to the sum of the n numbers divided by the number n in the collection. The mean is sometimes referred to as an average in everyday parlance.

### Exercises

Instructions: Calculate the mean of each set of data you have. In an ANSWER BOX, input your answer once, then press ENTER to submit your response. You will get a message in the RESULTS BOX once you press the ENTER key, indicating whether your answer is accurate or wrong. To start anew, select CLEAR from the drop-down menu.

1. | Find the mean of the whole numbers listed below.1,8,7,6,8,3,2,5,4,5 |

2. | Find the mean of the decimals listed below.5.3,5.5,2.2,4.8,3.2 |

3. | Find the mean rounded to the nearest tenth.0.34,0.12,0.48,0.56,0.71,0.8,0.65,0.82 |

4. | Employees at a retail store are paid the hourly wages listed below. What is the mean hourly wage?$7.50,$9.25,$8.75,$9.50,$7.25,$8.75 |

5. | What is the mean test score?83,71,91,79,87,80,95,79,91,85,94,73 |

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Themeani is a mathematical term that refers to the average of a collection of numbers. In statistics, the mean is regarded as a measure of central tendencies or central tendency measures. When a collection of numbers is sorted in either ascending or descending order, the median is defined as the middle number. Mode is a statistical approach that refers to the value that occurs the most number of times in a statistical sample. The mean of a set of values is the value that is in the center of the set.

### Arithmetic mean

Calculating the mean or average using the arithmetic mean is the most commonly used approach. It is calculated by taking the sum of a collection of numbers and dividing it by the total number of numbers in the collection of numbers. It is used when all of the values in the supplied data have the same unit of measurement, for example, when all of the given numbers are heights, miles, hours, or other time-based units of measurement. Consider the numbers 4, 7, 9, and 10 as an illustration. It is calculated that the total of the numbers is 30 and that the count of the numbers is 4.

The geometric mean and the harmonic mean are two more forms of means that are used to calculate economic data in a variety of other scenarios, such as those involving financial investments.

- Thegeometric mean may be defined as the average value of a given group of numbers obtained by multiplying them together in a certain way. A total of three integers are multiplied together, and the nth root of the resulting multiplied number is calculated. The harmonic mean, often known as the numerical average, is defined as the sum of all observations divided by the reciprocal of each number in the series
- It is computed as

It is not acceptable in finance to use the arithmetic mean to determine an average when there are a huge number of integers to count and a single count has the potential to significantly modify the mean value.

### Where do we use the arithmetic mean?

For sequences that are arithmetic sequences, the arithmetic mean is subtracted from the total. Arithmetic mean is the simplest and most widely used measure of the mean because it is the most easily calculated. Listed below are some examples of the most important applications of the arithmetic mean:

- It is used in algebraic treatment
- It is used to calculate the average score in sports such as cricket
- It is also used in many different fields such as economics, anthropology, and history
- And it is used in many other fields as well. Furthermore, it is utilized in order to determine the average temperature of the globe in order to determine global warming
- It is also utilized in order to determine the yearly rainfall of a certain place.

The Arithmetic Mean Has Its Limitations Consider the following scenario: there are ten persons, nine of them earn between 30 and 35 thousand dollars per month, and the tenth earns 120 thousand dollars per month. The mean pay of these ten individuals does not represent the mean salary of the entire group of people. In this situation, the average is computed by taking the median of the wages of the individuals included in the study. The steps involved in calculating the Arithmetic Mean

- The number of values in the set should be counted Make a total of all of the values
- The arithmetic mean is obtained by dividing the sum of the values in the set by the number of values in the set Check to see that the computation is correct.

### Sample Problems

In the first question, find out what the arithmetic mean of the following integers is. They are as follows: 25, 20, 32, 45, 33, 37, and 40. Solution: In light of this, the numbers are 25, 20, 32, 45, 33, 37, and 41, respectively. Step 1: The total number of digits is seven. Calculate the total of the numbers that have been provided. 231 is the sum of 25 plus 20 plus 32 + 45 + 33 + 37 + 41 = 231 Step 2Calculate the arithmetic mean of the numbers that have been provided. 231/7 = 33 is the answer.

- Question 2: Calculate the arithmetic mean of the following integers: 323, 342, 400, 389, 360, 327, 389, and 352.
- Solution:In light of this, the numbers 323, 342, 400, 389, 360, 327, 389, and 352 are the correct answers.
- Calculate the total of the numbers in the given situation.
- 2880 divided by 8 is 360 As a result, the arithmetic mean of the integers in the example is 360.
- Question 3: Calculate the arithmetic mean of these numbers: 2.5, 4.8, 2.7, 6.0.
- 4.8, 2.7, 6.0, 3.1, 6.4, 7.2, 8.2, and 5.5 Step 1: The total number of digits is eight.

The sum of the squares is 2.5 + 4.8 + 2.7 + 6.0 + 3.1 + 6.4 + 7.2 + 8.2 + 5.5 = 56.4 Step 2Calculate the arithmetic mean of the numbers that have been provided. 5.8 x 56.4 = 5.8 As a result, the arithmetic mean of the numbers provided is 5.8.

## Arithmetic Mean Formula

Formula for the Arithmetic Mean (Table of Contents)

## What is the Arithmetic Mean Formula?

The word “arithmetic mean” refers to the mathematical average of two or more integers, and it is most commonly used in mathematics. Calculating the arithmetic mean can be accomplished in a variety of ways depending on the frequency of each variable in the data set, including using a simple average (equally weighted) or a weighted average. When dealing with equally weighted variables, it is possible to get the formula for the arithmetic mean by adding all of the variables in the data set and then dividing the result by the number of variables in the data set.

+ x n) / n or Arithmetic Mean = x i/ nArithmetic Mean = (x 1+ x 2+.

+ x n) / n

- X I equals the I th variable
- N equals the number of variables in the data collection

For unequally weighted variables, the arithmetic mean formula may be determined by adding the products of each variable and its frequency, and then dividing the result by the total of all the frequencies in the population. Arithmetic Mean = (f 1 *x 1+f 2 *x 2+. + f n *x n) / (f 1+ f 2+. + f n) or Arithmetic Mean = (f I x I / (f I x I or Arithmetic Mean = (f I x I or Arithmetic Mean = (f I x I /

- X I equals the I th variable
- F I equals the frequency of the I th variable

### Examples of Arithmetic Mean Formula (With Excel Template)

Let’s look at an example to better understand how to calculate the Arithmetic Mean in a more straightforward method.

#### Arithmetic Mean Formula – Example1

Take, for example, a hitter who scored the following runs in his last ten innings during the course of the previous year: 45, 65, 7, 10, 43, 35, 25, 17, 78, and 91 runs in his last ten innings. Calculate the batsman’s batting average throughout his past ten innings of play. Solution: The Arithmetic Mean is determined with the help of the formula shown below. The Arithmetic Mean is defined as x I / n.

- Arithmetic Mean = (45 + 65 + 7 + 10 + 43 + 35 + 25 + 17 + 78 + 91) / 10
- Arithmetic Mean =41.60

As a result, the batsman’s average runs per innings in his last ten innings stayed at 41.60 runs per innings.

#### Arithmetic Mean Formula – Example2

For illustration purposes, let us use a class of 45 pupils. Recently, a weekly scientific test was administered, and the students were graded on a scale of 1 to 10, depending on their performance. Calculate the average score in the test based on the information in the following table. Solution: The Arithmetic Mean is determined with the help of the formula shown below. The Arithmetic Mean is defined as (f I x I / f i.

- Arithmetic Mean = ((3 * 3) + (4 * 9) + (6 * 18) + (7 * 12) + (9 * 3) / 45
- Arithmetic Mean = 264 / 45
- Arithmetic Mean = 5.87

Thus, the average scientific exam result for the class was 5.87 out of a possible 6.

#### Arithmetic Mean Formula – Example3

Let us consider the case of two data sets with two distinct arithmetic means as an illustration. The first data set has 10 variables with a mean of 45, whereas the second data set contains 7 variables with a mean of 42, as seen in the table. Calculate the arithmetic mean of the two data sets after they’re all joined. Solution: Arithmetic This formula is used to compute the means of the merged data set. Arithmetic Mean = ((m 1 *n 1) + (m 2 *n 2)) / (n 1 +n 2) Arithmetic Mean = ((m 1 *n 1) + (m 2 *n 2) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n

- Consider the following two data sets, each with a distinct arithmetic mean: a and b The first data set has 10 variables with a mean of 45, whereas the second data set contains 7 variables with a mean of 42, as seen in the graph. As a result of combining the two data sets, get the arithmetic mean of the data. Solution: Arithmetic The means of the merged data set are determined using the formula shown below. Arithmetic Mean = ((m 1 *n 1) + (m 2 *n 2)) / (n 1 +n 2) Arithmetic Mean = ((m 1 *n 1) + (m 2 *n 2) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1) Arithmetic Mean = ((m 1 *n 1)

This results in an average arithmetic mean of 43.76 for the combined data set.

### Explanation

The formula for arithmetic mean may be computed by following the steps outlined below: 1. Step 1: To begin, gather and arrange the variables for which the arithmetic mean must be determined in the appropriate order. The variables are symbolized by the letters x and i. After that, find the total number of variables in the data set, which is indicated by the letter “n” when all variables are equal in importance (as in a random sample). Alternatively, calculate the frequency of each variable, which is indicated by f I and the number of variables is equal to the total of the frequencies of the variables.

Step 3: The Arithmetic Mean is defined as x I / n.

The Arithmetic Mean is defined as f I x i/f i.

### Relevance and Uses of Arithmetic Mean Formula

The idea of the arithmetic mean is quite straightforward and rudimentary in nature. However, it is still extremely essential since it is frequently employed as a statistical indicator to analyze the average outcome of a data collection. In reality, it allows you to determine which of the variables is better or worse than the average of the entire collection of variables. It may also be used as a metric to indicate the average value throughout an entire data series, which is known as the mean.

### Arithmetic Mean Formula Calculator

There is nothing complicated or difficult about the idea of arithmetic mean. The fact that it is frequently employed as a statistical indicator to analyze the average outcome in a data collection makes it extremely essential. As a matter of fact, it helps you to determine which factors are better or worse than the average of the group. A measure of the average value throughout an entire data series, it is also used to denote the average value. Arithmetic mean is also employed in situations when geometric mean or harmonic mean are less relevant, such as when calculating the average grade, weight, or other similar data.ditionally,

### Recommended Articles

This page contains information on the Arithmetic Mean Formula. We will go through how to calculate the arithmetic mean, as well as provide some practical examples. In addition, we give an Arithmetic Mean Calculator that may be downloaded as an Excel spreadsheet template. You may also read the following articles to find out more information –

- Harmonic Mean Calculation
- A Guide to the Population Mean Formula
- Calculation of Mean Using a Formula
- Examples of the Net Sales Formula
- And more.