The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:

Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals.
B)The class widths are too small.
C)Some numbers between 18,000 and 30,000 would not fall into any of these intervals.
D)The first and the second interval overlap.
E)There are too few intervals.

Question

The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:

Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?
A)There are too many intervals. 
B)The class widths are too small. 
C)Some numbers between 18,000 and 30,000 would not fall into any of these intervals. 
D)The first and the second interval overlap. 
E)There are too few intervals.

Quizplus · Accepted Answer

The provided class intervals are not continuous and some numbers between 18,000 and 30,000 would not fall into any of these intervals. This indicates a problem with the set of intervals.

The Following Class Intervals for a Frequency Distribution Were Developed