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 midpoint of the first class?
A)100
B)150
C)25
D)250
E)200

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 midpoint of the first class?
A)100
B)150
C)25
D)250
E)200

Quizplus · Accepted Answer

The midpoint of a class interval is calculated by adding the lower limit to the upper limit of the class and then dividing by 2. For the first class interval (100-under 200), the midpoint is (100 + 200) / 2 = 150.

Consider the Following Frequency Distribution What Is the Midpoint of the First Class? A)100 B)150

Consider the Following Frequency Distribution What Is the Midpoint of the First Class?
A)100
B)150