Compute the Standard Deviation of a Variable from Raw Data $\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$

Multiple Choice

Compute the Standard Deviation of a Variable from Raw Data
-The costs (in dollars) of 10 college math textbooks are listed below. Find the sample standard deviation. $\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$

A) $\$ 1.49$
B) $\$ 70.30$
C) $\$ 5.00$
D) $\$ 2.23$