Solve the problem.
-The following frequency distribution analyzes the scores on a math test. Find the indicated class midpoint or boundaries.
$$\begin{array} { c c }
\hline \text {score}& \begin{array} { c }
\text { Number of } \
\text { Students }
\end{array} \
\hline 40 - 59 & 2 \
60 - 75 & 4 \
76 - 82 & 6 \
83 - 94 & 15 \
95 - 99 & 5
\end{array}$$ The class boundaries of scores interval 40-59
A)39.5, 59.5
B)40.5, 59.5
C)40.5, 58.5
D)39.5, 58.5

Question

Solve the problem.
-The following frequency distribution analyzes the scores on a math test. Find the indicated class midpoint or boundaries. 
$$\begin{array} { c c } 
\hline \text {score}& \begin{array} { c } 
\text { Number of } \
\text { Students }
\end{array} \
\hline 40 - 59 & 2 \
60 - 75 & 4 \
76 - 82 & 6 \
83 - 94 & 15 \
95 - 99 & 5
\end{array}$$ The class boundaries of scores interval 40-59
A)39.5, 59.5
B)40.5, 59.5
C)40.5, 58.5
D)39.5, 58.5

Quizplus · Accepted Answer

Class boundaries are calculated by subtracting 0.5 from the lower limit and adding 0.5 to the upper limit of the class interval. For the interval 40-59, the boundaries are 39.5 and 59.5.

Solve the Problem The Class Boundaries of Scores Interval 40-59 A)39

Solve the Problem The Class Boundaries of Scores Interval 40-59
A)39