In a series of observations, coefficient of variation is 16 and mean is 25, find the variance

In a series of observations, coefficient of variation is 16 and mean is 25, find the variance

A
4
B
8
C
12
D
16

Solution:

We have,

$\frac{σ}{\bar{X}} \times 100 = 16$ and $\bar{X} = 25 \Rightarrow σ = 4 \Rightarrow σ^{2} = 16$

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