The following frequency distribution displays the scores on a math test. Find the class boundaries of scores 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) $49.5,59.5$
B) $50.5,59.5$
C) $49.5,58.5$
D) $50.5,58.5$

Question

The following frequency distribution displays the scores on a math test. Find the class boundaries of scores 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) $49.5,59.5$
B) $50.5,59.5$
C) $49.5,58.5$
D) $50.5,58.5$

Quizplus · Accepted Answer

The class boundaries are determined by adding and subtracting 0.5 to the lower and upper limits of the class interval, respectively. For the 50-59 interval, the boundaries are 49.5 and 59.5.

The Following Frequency Distribution Displays the Scores on a Math