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The expected value of a random variable. Arithmetic average of a sample.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

Arithmetic Mean Average

An average calculated by adding the value of the points in a data set and dividing the sum by the number of data points. For example, suppose one wishes to calculate the average income of a country with exactly five people in it, and their incomes are $25,000, $26,000, $43,000, $70,000, and $72,000. It is calculated as:

($25,000 + $26,000 + $43,000 + $70,000 + $72,000) / 5 = $47,200.

A limitation to the arithmetic mean average is that it can be overly affected by extremes in either direction. For example, if one of the five persons in the country earns $100 billion per year, the arithmetic mean average income would be in the billions and would not accurately count the other four citizens. For this reason, many analysts use the median in conjunction with the arithmetic mean average. The arithmetic mean average is also called simply the mean.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


The average of a set of numbers.Contrast with median,which is the middle figure in a set of numbers,and mode,which is the value that appears most often in a set of numbers.

Example: A survey of home values in a neighborhood of nine houses obtained the following values:

The mean, or average, is the total of all values divided by 9, or $143,044.The median is the middle number when the numbers are all arranged from highest to lowest,which would be house 5, or $139,850.The mode is $139,000,because it is the number that appears most often.

The Complete Real Estate Encyclopedia by Denise L. Evans, JD & O. William Evans, JD. Copyright © 2007 by The McGraw-Hill Companies, Inc.
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Most of all, people who mean business know that the only way to grow, is to build relationships; long lasting strong relationships on a foundation of trust and good will.
Arkansas Women Mean Business Awards will also be presented to women who have achieved excellence in the arts, banking profession, business ownership, education profession, financial services, legal profession, medical profession, nontraditional profession, public office, science and technology, secretarial profession and volunteerism.
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"Mums Mean Business was conceived as a place to inspire mums and to be inspired by mums.
Meaning business The first annual Welsh Women Mean Business Awards take place in the same week of International Women's Day in March, and the closing date for nominations is January 31.
l Susanas wants to bring London to a halt to protest the Government opting out of parts of the UN agreement on disability rights: "Maybe a human chain would show that we mean business and are fed up with people who do not understand taking decisions for us."
TYNESIDE women have shown they mean business as part of International Women's Day.
Whatever size your business is, whatever sector you are in, and whatever stage you are at, our team would like to work with you to help you show the world that you really mean business.
Nugent would be brilliant and his signing would show that we really mean business.
Names," implying that Volcker and his IIC cohorts really mean business, since they've actually pointed the accusatory finger at a few UN functionaries.
She noted, "In a man's world, you will be taken seriously only if you mean business."