The Following Class Intervals for a Frequency Distribution Were Developed

question 23

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: $$\begin{array} { l c } \begin{array} { l } \text { Salary } \\\text { (\$1,000s) }\end{array} & \text { Number of Graduates } \\\text { 28-under 31 } & - \\\text { 31-under 35 } & - \\\text { 34-under 37 } & - \\\text { 39-under 40 } & -\end{array}$$
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)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.

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