Marathons The frequency polygon in Figure 35 shows the approximate numbers of runners in the 2008 Boston Marathon to finish in each of the given time slots (times are given in hours and minutes). Use this figure for Exercises 14 and 15. 14. Determine the approximate number of runners who finished with times between 2½ hours and 6 hours. 15. Find the approximate number of marathoners who finished with times of more than 4 hours.