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# arithmetic mean

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noun Statistics.
1. 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.

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First recorded in 1790–1800
Also called average.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for arithmetic mean

# arithmetic mean

noun
1. an average value of a set of integers, terms, or quantities, expressed as their sum divided by their numberthe 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

arithmetic mean in Medicine

# arithmetic mean

(ə-rĭthmĭ-tĭk)
n.
1. 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.average