Given the following frequency distribution, how many pieces of data were less than 28.5? $$\begin{array} { | l | l | }
\hline \text { Class Boundaries } & \text { Frequencies } \
\hline 13.5 - 18.5 & 4 \
\hline 18.5 - 23.5 & 9 \
\hline 23.5 - 28.5 & 12 \
\hline 28.5 - 33.5 & 15 \
\hline 33.5 - 38.5 & 17 \
\hline
\end{array}$$
A) 12
B) 9
C) 25
D) 17

Question

Given the following frequency distribution, how many pieces of data were less than 28.5? $$\begin{array} { | l | l | } 
\hline \text { Class Boundaries } & \text { Frequencies } \
\hline 13.5 - 18.5 & 4 \
\hline 18.5 - 23.5 & 9 \
\hline 23.5 - 28.5 & 12 \
\hline 28.5 - 33.5 & 15 \
\hline 33.5 - 38.5 & 17 \
\hline
\end{array}$$
A) 12
B) 9
C) 25
D) 17

Quizplus · Accepted Answer

The data less than 28.5 includes the frequencies from the first three classes: 4 + 9 + 12 = 25.

Given the Following Frequency Distribution, How Many Pieces of Data