Find the Variance for the Given Data $$\begin{array} { l l l l l l l } 50 & 12 & 38 & 25 & 16 & 48 & 58\end{array}$$

Multiple Choice

Find the variance for the given data. Round your answer to one more decimal place than the original data.
-Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores: $$\begin{array} { l l l l l l l } 50 & 12 & 38 & 25 & 16 & 48 & 58\end{array}$$ Compute the standard deviation s.

A) 10,637
B) 8715.6
C) 38
D) 17.9