arithmetic mean

American  

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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arithmetic mean British  

noun

1. Often shortened to: mean.  Also called: average.  an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number Compare geometric mean

   the arithmetic mean of 3, 4, and 8 is 5

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arithmetic mean Scientific  

/ ăr′ĭth-mĕt′ĭk /

1. 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.

2. See more at mean Compare average median mode

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Etymology

Origin of arithmetic mean

First recorded in 1790–1800