Consider the Following Frequency Distribution What Is the Relative Frequency of the First Class?
A)0

Multiple Choice

Consider the following frequency distribution: $$\begin{array} { l c } \text { Class Interval } & \text { Frequency } \\10 \text {-under } 20 & 15 \\20 \text {-under } 30 & 25 \\30 \text {-under } 40 & 10\end{array}$$
What is the relative frequency of the first class?

A) 0.15
B) 0.30
C) 0.10
D) 0.20
E) 0.40