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If the standard deviation of a data is 820 and mean of the data is 50, find the coefficient of variation.

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in Mathematics - Class 11 by (789k points)
If the standard deviation of a data is 820 and mean of the data is 50, find the coefficient of variation.

(a) 16.4

(b) 164

(c) 1640

(d) 1.64

I got this question by my school teacher while I was bunking the class.

Question is taken from Statistics in division Statistics of Mathematics – Class 11

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Right answer is (a) 16.4

The explanation is: Coefficient of Variance = (Standard Deviation/Mean) × 100

⇒ Coefficient of Variance = (820/50) × 100 = 16.4.

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