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If the variance of the data values in a population is 256, what is the standard deviation of the data values?

If the variance of the data values in a population is 256, what is the standard deviation of the data values?
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if the variance of the data values in a population is 256, what is the standard deviation of the data values?

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User Diz
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the standard deviation is the square root of the variance

so if the variance is 256, then the standard deviation is : sqrt 256 = 16 <==
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User Hephaestus
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