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Which One of the Following is Not a Measure of Dispersion

(A) Quartile

(B) Range

(C) Mean Deviation

(D) Standard Deviation

Correct Answer :  (A) 

Explanation : Quartile is not a measure of dispersion because it is the measure of central tendency. 2nd quartile is equal to median. Only range, mean deviation, standard deviation are the measure of dispersion.

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