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Arithmetic Mean
4 dictionary results for: Arithmetic mean
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
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: 1790–1800]
American Heritage Dictionary - Cite This Source - Share This
ar·ith·met·ic mean   (ār'ĭth-mět'ĭk)
n.   The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. Also called average.

WordNet - Cite This Source - Share This
arithmetic mean

noun
the sum of the values of a random variable divided by the number of values 

The American Heritage Science Dictionary - Cite This Source - Share This
arithmetic mean       (ār'ĭth-mět'ĭk)  Pronunciation Key 
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.

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