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arithmetic mean

noun, Statistics.
the mean obtained by adding several quantities together and dividing the sum by the number of quantities:
the arithmetic mean of 1, 5, 2, and 8 is 4.
Also called average.
Origin of arithmetic mean
First recorded in 1790-1800 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for arithmetic mean

arithmetic mean

an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number: the arithmetic mean of 3, 4, and 8 is 5 Often shortened to mean Also called average Compare geometric mean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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arithmetic mean in Medicine

arithmetic mean a·rith·me·tic mean (ə-rĭth'mĭ-tĭk)
The value obtained by calculating the sum of a set of quantities and then dividing that sum by the number of quantities in the set. Also called average.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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arithmetic mean in Science
arithmetic mean
The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. For example, if there are three test scores 70, 83, and 90, the arithmetic mean of the scores is their sum (243) divided by the number of scores (3), or 81. See more at mean. Compare average, median, mode.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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