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Measures of Dispersion — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsMeasures of Dispersion1 Mark
Question
Define mean deviation.
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Answer

Mean deviation is the arithmetic average of deviations of all the values taken from a statistical average of series. In taking deviation of values, algebraic signs '+' and '-' are not taken into consideration.

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