mean deviation

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


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The mean of the sum of the deviations from the mean of all the values in a data set. The deviations are summed regardless of sign and the total is divided by the number of observations.


the arithmetic average of the absolute values of the differences between the individual values of a set of numbers, values, etc. from their mean.

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mean deviation

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