The Pie Chart Shows the Percentage of Votes Received by Each

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use
the pie chart to answer the question.
-The commute time (in minutes) of 30 executives are listed below. Construct a frequency distribution and a relative frequency distribution using five classes.
$\begin{array} { l l l l l l l l l l } 70 & 72 & 71 & 70 & 69 & 73 & 69 & 68 & 70 & 71 \end{array}$
$\begin{array} { l l l l l l l l l l l } 67 & 71 & 70 & 74 & 69 & 68 & 71 & 71 & 71 & 72 \end{array}$
$\begin{array} { l l l l l l l l l l } 69 & 71 & 68 & 67 & 73 & 74 & 70 & 71 & 69 & 68 \end{array}$