Find the Sample Standard Deviation for the Given Data $\begin{array} { l l l l l l l } 52 & 15 & 48 & 27 & 12 & 42 & 68\end{array}$

Multiple Choice

Find the sample standard deviation for the given data. Round your final answer to one more decimal place than that usedfor the observations.
-Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores. $\begin{array} { l l l l l l l } 52 & 15 & 48 & 27 & 12 & 42 & 68\end{array}$

A) 48
B) 20.6
C) 9956.6
D) 12,494