Refer to the following distribution of ages:
-What is the class interval?
A) 9
B) 10
C) 10.5
D) 11
E) None of the choices are correct

Question

Refer to the following distribution of ages: 
-What is the class interval?
A) 9 
B) 10 
C) 10.5 
D) 11 
E) None of the choices are correct

Quizplus · Accepted Answer

The class interval is the difference between the upper and lower boundaries of any class in a frequency distribution. Typically, it is calculated as the difference between consecutive lower or upper class limits. In this context, 10 is a common class interval used in statistics.

Refer to the Following Distribution of Ages