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The following data set represents test scores from a math class at College A.Perform computations as instructed below.If you have decimals,usetwo or three decimal pointsin

The following data set represents test scores from a math class at College A.Perform computations as instructed below.If you have decimals,usetwo or three decimal pointsin your answer.

Scores:84,79,95,65,80,76,92,88,74,90,86,72,85

(a)What is the sum of the scores?

(b)What is the mean of the data set?

(c)What is the Sum of Squares (SS) of the data set?

(d)What is the variance (s²) of the data set?

(e)What is the standard deviation (s)of thedata set?

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