How to find the variance of a sample with only mean standard deviation size?

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13-11-2017
Mathematics

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How to find the variance of a sample with only mean standard deviation size?

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texaschic101 texaschic101 · Answer 1 · 2017-11-13T14:37:00+01:00

texaschic101 texaschic101

13-11-2017

the standard deviation is the square root of the variance

so if the variance is 100, then the standard deviation is sqrt 100 = 10
or, if u have the standard deviation of 10....then to find the variance, u square it....so the variance is 10^2 = 100

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