Question

if the mean= 76 , variance =110 then what is coefficient of variation ?​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

The coefficient of variation is 0.138.

Step-by-step explanation:

Given that,

Mean is 76

Variance is 110

We need to find the coefficient of variation. The relation between standard deviation and mean is given by :

$CV=\dfrac{\text{standard deviation}}{\text{mean}}$

But,

$\text{variance}=(\text{standard deviation})^2\\\\\text{standard deviation}=\sqrt{\text{variance}}$

So,

$CV=\dfrac{\sqrt{\text{variance}} }{\text{mean}}\\\\CV=\dfrac{\sqrt{110}}{76}\\\\CV=0.138$

So, the coefficient of variation is 0.138.

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If the mean= 76 , variance =110 then what is coefficient of variation ?​

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