mean deviation


noun Statistics.

a measure of dispersion, computed by taking the arithmetic mean of the absolute values of the deviations of the functional values from some central value, usually the mean or median.
Also called average deviation.

Origin of mean deviation

First recorded in 1890–95

Definition for average deviation (2 of 2)

average deviation

noun

British Dictionary definitions for average deviation (1 of 2)

average deviation

noun

statistics another name for mean deviation

British Dictionary definitions for average deviation (2 of 2)

mean deviation

noun statistics

the difference between an observed value of a variable and its mean
Also: mean deviation from the mean, mean deviation from the median, average deviation a measure of dispersion derived by computing the mean of the absolute values of the differences between observed values of a variable and the variable's mean

Scientific definitions for average deviation

mean deviation

In a statistical distribution, the average of the absolute values of the differences between individual numbers and their mean.