chastity59 chastity59

14-02-2015
Mathematics

Answered

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

Verified Answer :

Anonymous Anonymous

14-02-2015

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

\(\sigma =\sqrt { Variance }\)

Therefore:

\(\sigma =\sqrt { 88 } \\ \\ \therefore \quad \sigma \approx 9.4\)

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