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

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

Question

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

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

Quizplus · Accepted Answer

The class midpoint is calculated by averaging the lower and upper boundaries of the class interval. For the interval 40-59, the midpoint is $(40 + 59) / 2 = 49.5$.

The Following Frequency Distribution Represents the Scores on a Math