# Definition of 'mean deviation'

## mean deviation

noun statistics

1.

2. 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

Collins English Dictionary. Copyright © HarperCollins Publishers

## mean deviation in American English

a measure of variability equal to the average of the absolute values of a set of deviations from a specified value, usually the arithmetic mean

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.

## Source

Definition of

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