Define mean deviation and its coefficient. Discuss its advantages.
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Explanation:
The mean deviation is a better measure of the absolute dispersion than the range and the quartile deviation. ... Any suitable average among the mean, median or mode can be used in its calculation, but the value of the mean deviation is the minimum if the deviations are taken from the median
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Answer:
The mean deviation is a better measure of the absolute dispersion than the range and the quartile deviation. ... Any suitable average among the mean, median or mode can be used in its calculation, but the value of the mean deviation is the minimum if the deviations are taken from the median.
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