| среднее арифметическое | arithmetic mean (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. WT Alexander Demidov) |
