A) 285
B) 795

Multiple Choice

$$\begin{array}{l}\text { Approximate the sample variance given the following frequency distribution. }\\\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 14 \\20 - 39 & 15 \\40 - 59 & 9 \\60 - 79 & 9 \\80 - 99 & 9 \\\hline\end{array}\end{array}$$

A) 28.5
B) 795.9
C) 810.4
D) 28.2