Find the Variance and the Standard Deviation (Correct to Two $7,12,17,22,27$

Multiple Choice

Find the variance and the standard deviation (correct to two decimal places) of the following data set. $7,12,17,22,27$

A) standard deviation: $17$ variance: $50$
B) standard deviation: $7.07$ variance: $17$
C) standard deviation: $50$ variance: $7.07$
D) standard deviation: $7.07$ variance: $50$
E) standard deviation: $2$ variance: $1.41$