Question

If the mean variable is 10 and the coefficient of variation is 60%. What is the variance of the

variable ?

(A) 6 (B) 36

(C) 50 (D) 60​

Answer 1

Correct option is

D

33.33(nearly)

We know coefficient of variation C. V. =

x

ˉ

σ

x

×100

∴ 60=

x

ˉ

20

×100 ∴

x

ˉ

=33.33(nearly)