Professor Hill in the Music Department kept a list of the number of hours of students visiting his office each week for two quarters (20 weeks). The results were: 15 23 17 13 3 9 7 6 8 11 16 32 27 4 20 3 28 5 6 11 (a) Make a frequency table with five classes (3 as the lower limit of the first class), showing frequencies, relative frequencies, cumulative frequencies, and midpoints. (b) Draw a frequency histogram from the information in part (a). (c) Draw a frequency polygon from the information in part (a). (d) Draw an ogive from the information in part (a). 8. (8 pts) Find the mean, median, mode and range of the following data set of data: 2, 16, 14, 10, 14, 9, 10, 14 mean___________ median_____________ mode___________ range_________________ 9. (8 pts) Do this problem by constructing table