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Question

For a distribution, the coefficient of variation is 22.5% and mean is 7.5. Calculate standard deviation.

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Solution

Given,

Coefficient of variation= 22.5%
Mean, X= 7.5

Coefficient of Variation=σX¯×10022.5=σ7.5×10022.5×7.5100=σσ=168.75100σ=1.687=1.69 approx

Hence, standard deviation is 1.69

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