The Following Frequency Distribution Represents the Scores on a Math

Multiple Choice

The following frequency distribution represents the scores on a math test. Find the class midpoint of scores for the interval 40-59. $$\begin{array} { c c } \hline \text { Scores } & \text { Number of students } \\\hline 50 - 59 & 2 \\60 - 69 & 4 \\70 - 79 & 6 \\80 - 89 & 15 \\90 - 99 & 5 \\\hline\end{array}$$

A) 50.5
B) 48.5
C) 49.5
D) 49.0