If the mean, mode and S.D. of a frequency distribution are 41, 45 and 8 respectively, then its Pearson's coefficient of skewness is

Question

If the mean, mode and S.D. of a frequency distribution are 41, 45 and 8 respectively, then its Pearson's coefficient of skewness is, $\frac{1}{3}$, $\frac{-1}{2}$, $\frac{2}{3}$, 1

MARKS App · Accepted Answer

$-\frac{1}{2}$, We have $\mathrm{S}_{\mathrm{K}}=\frac{\text { Mean }- \text { Mode }}{\mathrm{S} . \mathrm{D} \text {. }}$ $\frac{41-45}{8}=-\frac{1}{2}$

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