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

A) 2
B) 3
C) 7
D) cannot be determined

Question

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

A) 2
B) 3
C) 7
D) cannot be determined

Quizplus · Accepted Answer

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

A) 2
B) 3
C) 7
D) cannot be determined

For the Following Frequency Distribution of Exam Scores, How Many xf90−94385−89480−84575−79270−741\begin{array}{cc}x & f \\\hline 90-94 & 3 \\85-89 & 4 \\80-84 & 5 \\75-79 & 2 \\70-74 & 1\end{array}x90−9485−8980−8475−7970−74​f34521​​

For the Following Frequency Distribution of Exam Scores, How Many $\begin{array}{cc}x & f \\\hline 90-94 & 3 \\85-89 & 4 \\80-84 & 5 \\75-79 & 2 \\70-74 & 1\end{array}$