Provide an Appropriate Response A) $2.8$ B) $3.3$ C) $2.9$ D) $3.2$

Provide an appropriate response.
-The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the standard deviation. Round your answer to one decimal place.
$\begin{array}{c|c}\text { Height (in.) } & \text { Frequency } \\\hline 70 \text {-under } 72 & 3 \\72 \text {-under } 74 & 7 \\74 \text {-under } 76 & 16 \\76 \text {-under } 78 & 12 \\78 \text {-under } 80 & 10 \\80 \text {-under } 82 & 4 \\82 \text {-under } 84 & 1\end{array}$

A) $2.8$
B) $3.3$
C) $2.9$
D) $3.2$