arithmetic mean

variants: or less commonly arithmetic average

Definition of arithmetic mean

: a value that is computed by dividing the sum of a set of terms by the number of terms

First Known Use of arithmetic mean

1743, in the meaning defined above

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The first known use of arithmetic mean was in 1743

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Cite this Entry

“Arithmetic mean.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2020.

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More Definitions for arithmetic mean

arithmetic mean

ar·​ith·​met·​ic mean | \ ˌer-ith-ˈme-tik- \

Kids Definition of arithmetic mean

: a quantity formed by adding quantities together and dividing by their number The arithmetic mean of 6, 4, and 5 is 5.

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