The London School of Economics and the Harvard Business School conducted a study of how chief executive officers (CEOs) spend their day. The study found that CEOs spend on average about 18 hours per week in meetings, not including conference calls, business meals, and public events. Shown below is the time spent per week in meetings Chours) for a sample of 25 CEOS. $\begin{array}{11111) 14 & 22 & 15 & 17 & 14 \\ 21 & 19 & 12 & 16 & 20 12 & 21 & 22 & 16 & 14 20 & 19 & 12 & 17 & 23 \\ 22 & 21 & 23 & 21 & 19\end{array}$ a. What is the least amount of time spent per week on meetings? The highest? b. Use a class width of two hours to prepare a frequency distribution and a percent frequency distribution for the data. Hours in Meetings per week Percent Frequency \begin{tabular}{11) & $1$$ & $ %$ & $\%$ & $\%$ & $ $$ & $\%$ & $\%$ \hline & $\%$ \hline \end{tabular) c. Prepare a histogram. S.P.PB.213