Definitions for mean deviation
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Random House Webster's College Dictionary
mean′ devia′tion(n.)
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, usu. the mean or median.
Category: Statistics
Ref: Also called average deviation.
Origin of mean deviation:
1890–95
Princeton's WordNet
mean deviation, mean deviation from the mean(noun)
the arithmetic mean of the absolute values of deviations from the mean of a distribution
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"mean deviation." Definitions.net. STANDS4 LLC, 2013. Web. 23 May 2013. <http://www.definitions.net/definition/mean deviation>.