For the following frequency distribution of exam scores,how many students had scores lower than X = 80?? $$\begin{array} { l l }
\mathrm { X } & \mathrm { f } \
\hline 90 - 94 & 3 \
85 - 89 & 4 \
80 - 84 & 5 \
75 - 79 & 2 \
70 - 74 & 1 \
\hline
\end{array}$$

Question

For the following frequency distribution of exam scores,how many students had scores lower than X = 80?? $$\begin{array} { l l } 
\mathrm { X } & \mathrm { f } \
\hline 90 - 94 & 3 \
85 - 89 & 4 \
80 - 84 & 5 \
75 - 79 & 2 \
70 - 74 & 1 \
\hline
\end{array}$$

Quizplus · Accepted Answer

The Answer is B

For the Following Frequency Distribution of Exam Scores,how Many Students