The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59.
$$\begin{array} { c c }
\hline \text { Scores } & \text { Number of students } \
\hline 40 - 59 & 2 \
60 - 75 & 4 \
76 - 82 & 6 \
83 - 94 & 15 \
95 - 99 & 5 \
\hline
\end{array}$$
A) 50.5
B) 49.0
C) 49.5
D) 48.5

Question

The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59.
 $$\begin{array} { c c } 
\hline \text { Scores } & \text { Number of students } \
\hline 40 - 59 & 2 \
60 - 75 & 4 \
76 - 82 & 6 \
83 - 94 & 15 \
95 - 99 & 5 \
\hline
\end{array}$$
A) 50.5
B) 49.0
C) 49.5
D) 48.5

Quizplus · Accepted Answer

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

The Following Frequency Distribution Analyzes the Scores on a Math