The Following Class Intervals for a Frequency Distribution Were Developed

Multiple Choice

The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school: $\begin{array}{c}\begin{array}{lll}\text {Salary }\\(\$1,000s) \\\text {28 -under 31}\\\text {31-under 35}\\\text {34 -under 37}\\\text {39-under 40}\end{array}\begin{array}{c}\text { Number of Graduates }\\\\-\\-\\-\\-\\\end{array}\end{array}$


Before data were 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) The class widths are too large.
D) The second and the third interval overlap.
E) There are too few intervals.