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a data set has a variance of 88.what is the standard deviation of the data set? round to the nearest tenth

Sagot :

The standard deviation is equal to the square root of the variance:

[tex]\sigma =\sqrt { Variance } [/tex]

Therefore:

[tex]\sigma =\sqrt { 88 } \\ \\ \therefore \quad \sigma \approx 9.4[/tex]

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