Question

If the standard deviation of the series is 11 the variance of the series will be​

Answer 1

Answer:

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Step-by-step explanation:

$so \: now \: we \: know \: that$

$standard \: deviation \: (sd) = \\ \sqrt{variance(x)}$

$so \: here \: sd = 11$

$thus \: then \: 11 = \sqrt{variance(x)}$

$squaring \: both \: sides \: \\ we \: get$

$variance = (11) \: square$

$ie \: variance = 121$

Hence when standard deviation(S.D) is 11 variance is 121