Find the Variance and the Standard Deviation (Correct to Two $5,6,6,7,8,9,16,20$

Find the variance and the standard deviation (correct to two decimal places) of the following data set. $5,6,6,7,8,9,16,20$

A) variance: $25.73$ standard deviation: $5.07$
B) variance: $5.07$ standard deviation: $25.73$
C) variance: $25.73$ standard deviation: $662.26$
D) variance: $92.64$ standard deviation: $25.73$
E) variance: $9.63$ standard deviation: $3.10$

Correct Answer:

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