Descriptive statistics

Accu-Rating has just released its webcast report for last month. The report details the aggregate tuning hours for each of the top 20 radio stations broadcast over the web. (The aggregate tuning hours for a station is the sum total of all hours that listeners tuned to the station.) The report displays the following histogram: Relative frequency 0.4- 0.35 0.3- 0.2- 0.2 0.15 0.15 0.15 0.1 - 200 400 600 800 1000 1200 Aggregate tuning hours (in thousands of hours)Based ( histogram, draw the ogive (the cumulative relative frequency polygon) for the Accu-Rating data. V Cumulative relative frequency 1 0.8 0.6 0.4 0.2 0.00 0.00 0.00 0.00 0.00 0.00 0 200 400 600 800 1000 1200 X 5 2