# arithmetic mean

ar·ith·met·ic mean the average obtained by dividing a sum by the number of its addends

## arithmetic mean

noun

The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. Also called

*average*.## arithmetic-mean

Noun

(*plural* arithmetic means)

- (statistics, probability) The measure of central tendency of a set of values computed by dividing the sum of the values by their number; commonly called the mean or the average.
*The arithmetic mean of 3, 6, 2, 3 and 6 is (3 + 6 + 2 + 3 + 6) / 5 = 4*