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$\Rightarrow$ The standard deviation is the square root of the variance.

$\Rightarrow$ The standard deviation is expressed in the same units as the

Vedclass · Accepted Answer

${v^2} = \sigma $

Vedclass · Answer

$\Rightarrow$ The standard deviation is the square root of the variance.

$\Rightarrow$ The standard deviation is expressed in the same units as the mean is, whereas the variance is expressed in squared units.

$	herefore$ If $v$ is the varimce and $\sigma$ is the standard deviation then, $v ^2=\sigma$.

Hence, this is the answer.

Variate $( x )$	$x _{1}$	$x _{1}$	$x _{3} \ldots \ldots x _{15}$
Frequency $(f)$	$f _{1}$	$f _{1}$	$f _{3} \ldots f _{15}$

If $v$ is the variance and $\sigma$ is the standard deviation, then

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