Give the steps involved in the calculation of mean deviation from… - Vidyadip

Question

Give the steps involved in the calculation of mean deviation from the arithmetic mean for ungrouped data.

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Answer

Following steps are involved in the calculation of mean deviation from arithmetic mean for ungrouped data:

The arithmetic mean (A.M.) of the values is calculated.
Difference between each value and A.M. is calculated. All differences are considered positive and this is denoted by |dx|.
The A.M. of these differences called deviation is the mean deviation.

M.D. $=\frac{\Sigma\text{f|dx|}}{\Sigma\text{f}}$

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