arithmetic meanar·ith·met·ic mean
the average obtained by dividing a sum by the number of its addends
The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. Also called average .
(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