Define mean deviation and write its two properties. - Vidyadip

Question

Define mean deviation and write its two properties.

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Answer

In any series, the arithmetic mean of the absolute values of the deviations of different values of a variable from its statistical mean (arithmetic mean, median and mode) is called its mean deviation.
Merits : (1) It is based on all the data. If the value of any data changes, then the value of mean deviation also changes.
(2) This measurement is easy to calculate and understand..

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