Suppose a Class Obtained the Following Scores on a Test }">$\text { cellpadding }=" 0 " \text { cellspacing }=" 0 " \text { width }=" 34 \% \text { " border="0"> }$

Multiple Choice

Suppose a class obtained the following scores on a test. }">$\text { cellpadding }=" 0 " \text { cellspacing }=" 0 " \text { width }=" 34 \% \text { " border="0"> }$

$\begin{array}{ll}\text { Score } & \text { Frequency } \\90 & 2 \\80 & 1 \\70 & 9 \\60 & 6 \\50 & 2 \\40 & 1\end{array}$
What is the mean? Round the answer to two decimal places as needed.

A) 66.19
B) 63.81
C) 65
D) 70
E) 3.5