A company collected the ages from a random sample of its middle managers with the resulting frequency distribution shown below: What is the midpoint of the third class interval?
A)22.5
B)27.5
C)32.5
D)37.5
E)42.5

Question

A company collected the ages from a random sample of its middle managers with the resulting frequency distribution shown below:  What is the midpoint of the third class interval?
A)22.5 
B)27.5 
C)32.5 
D)37.5 
E)42.5

Quizplus · Accepted Answer

The third class interval is 30 - 35. To find the midpoint, we add the lower and upper limits and divide by 2: (30 + 35) / 2 = 32.5. Therefore, the midpoint of the third class interval is 32.5.

A Company Collected the Ages from a Random Sample of Its