A) 435
B) 40

Multiple Choice

$$\begin{array}{l}\begin{array} { | l | l | } \hline \text { Class Boundaries } & \text { Frequencies } \\\hline 13.5 - 18.5 & 4 \\\hline 18.5 - 23.5 & 9 \\\hline 23.5 - 28.5 & 12 \\\hline 28.5 - 33.5 & 15 \\\hline 33.5 - 38.5 & 17 \\\hline\end{array}\\\text { Given the following frequency distribution, find the variance. }\end{array}$$

A) 43.5
B) 40.2
C) 48.6
D) 42.3