three difference between standard deviation and mean deviation

The following points highlight the difference between Mean deviation and Standard deviation.

Mean deviation

Standard deviation

Mean deviation is the arithmetic mean of the absolute values of deviations about some point. This point can be mean, median or mode.

Standard deviation is the measure of variability or dispersion of data from its mean. It shows how much variation exists from the average.

Less affected by extreme values.

Affected by extreme values.

Cannot be used for further treatment.

Can be used for further treatment.

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