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 28,000 and 40,000 would fall into two different 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 28,000 and 40,000 would fall into two different intervals. 
D) The first and the second interval overlap. 
E) There are too few intervals.

Quizplus · Accepted Answer

This is a problem because it would create ambiguity in assigning data points to intervals and may lead to misleading conclusions in analysis.

The Following Class Intervals for a Frequency Distribution Were Developed