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 last class interval?
A)15
B)350
C)300
D)200
E)400

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 last class interval?
A)15
B)350
C)300
D)200
E)400

Quizplus · Accepted Answer

The midpoint of a class interval is calculated by adding the lower limit to the upper limit of the class interval and then dividing by 2. For the last class interval, 300-under 400, the midpoint is (300 + 400) / 2 = 700 / 2 = 350.

Consider the Following Frequency Distribution What Is the Midpoint of the Last Class Interval? A)15

Consider the Following Frequency Distribution What Is the Midpoint of the Last Class Interval?
A)15