Consider the Following Frequency Distribution What Is the Midpoint of the First Class?
A)10
B)20

question 87

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 midpoint of the first class?

• A)10
• B)20
• C)15
• D)30
• E)40