The Commute Time (In Minutes) of 30 Executives Are Listed $\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$

Essay

The commute time (in minutes) of 30 executives are listed below. Construct a frequency distribution, a relativefrequency distribution, a cumulative frequency distribution, and a relative cumulative frequency distributionusing five classes. $\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$
$\begin{array} { l l l l l l l l l l } 67 & 71 & 70 & 74 & 69 & 68 & 71 & 71 & 71 & 72 \end{array}$
$\begin{array} { l l l l l l l l l l } 69 & 71 & 68 & 67 & 73 & 74 & 70 & 71 & 69 & 68 \end{array}$