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Mean Absolute Deviation Calculator

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About This Tool

The online Mean Absolute Deviation Calculator is used to calculate the mean absolute deviation of a set of given numbers.

Mean Absolute Deviation

In statistics, the mean absolute deviation is the mean of the absolute deviations of a set of data about the data's mean. The mean absolute deviation is also called the mean deviation.


For a sample size N and a data set {x1, x2, ..., xN}, the mean absolute deviation is calculated as following:

Mean Absolute Deviation Formula

MD = mean absolute deviation
xi = the data element
x = the mean of the distribution

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