For a set of observations, if the coefficient of variation is 25 and mean is 44 , then the variance is

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Aicharya · Accepted Answer

Since, we know $	ext { Co-efficient of variation }=\frac{\sigma}{|\bar{x}|} 	imes 100$ $\Rightarrow 25=\frac{\sigma}{44} 	imes 100 \Rightarrow \sigma=\frac{25 	imes 44}{100} \Rightarrow \sigma=11$ Now, variance $=\sigma^2=11^2=121$

For a set of observations, if the coefficient of variation is 25 and mean is 44 , then the variance is

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