arithmetic mean

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.

arithmetic mean

noun

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

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

arithmetic mean

/ 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 meanCompare average

Word History and Origins

Origin of arithmetic mean¹

First recorded in 1790–1800

Example Sentences

Then it will be sufficient to take the arithmetic mean of the two adjustments.

From Project Gutenberg

If, first, we take the arithmetic mean of these limits, we get 117 millions of years.

From Project Gutenberg

In the construction of such an index number the use of the arithmetic mean is not imperative.

From Project Gutenberg

The usual method is to take the arithmetic mean of the values obtained as the correct value.

From Project Gutenberg