Definition from Wiktionary, the free dictionary
- (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
- In scientific and economic contexts, this term is preferable to average, which can also mean the mode or the median depending on context.
measure of central tendency