Consider the following frequency distribution: $$\begin{array} { l c }
\text { Class Interval } & \text { Frequency } \
100 \text {-under } 200 & 25 \
200 \text {-under } 300 & 45 \
300 \text {-under } 400 & 30
\end{array}$$
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250

Question

Consider the following frequency distribution: $$\begin{array} { l c } 
\text { Class Interval } & \text { Frequency } \
100 \text {-under } 200 & 25 \
200 \text {-under } 300 & 45 \
300 \text {-under } 400 & 30
\end{array}$$
What is the cumulative frequency of the second class interval?
A)25
B)45
C)70
D)100
E)250

Quizplus · Accepted Answer

The cumulative frequency of the second class interval (200 -under 300) is the sum of the frequencies of the first and second class intervals, which is 25 (from the first interval) + 45 (from the second interval) = 70.

Consider the Following Frequency Distribution What Is the Cumulative Frequency of the Second Class Interval