Use the Given Frequency Distribution to Approximate the Mean A) 487
B) 30

Multiple Choice

Use the given frequency distribution to approximate the mean.

$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 19 \\20 - 39 & 17 \\40 - 59 & 12 \\60 - 79 & 12 \\80 - 99 & 19\end{array}$

A) 48.7
B) 30.4
C) 15.8
D) 30.2