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

Multiple Choice

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