If the coefficient of variation and standard deviation are 60% and 21 respectively, the arithmetic mean of distribution is.

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Solution

The correct option is D 35
We know that, coefficient of variation $= \frac{σ}{μ} \times 100$ %
$\Rightarrow 60 = \frac{21}{μ} \times 100$ , substitute the given values
$∴ μ = \frac{2100}{60} = 35$

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If the coefficient of variation and standard deviation are 60% and 21 respectively, the arithmetic mean of distribution is.

The correct option is D 35We know that, coefficient of variation =σμ×100 %⇒60=21μ×100, substitute the given values ∴μ=210060=35

The correct option is D 35
We know that, coefficient of variation $= \frac{σ}{μ} \times 100$ %
$\Rightarrow 60 = \frac{21}{μ} \times 100$ , substitute the given values
$∴ μ = \frac{2100}{60} = 35$