K The scores of the 48 members of a sociology lecture class on a 50-point exam were as follows. Complete parts (a) through (c) below. Click the icon to view the data. - X Data Table (a) Construct frequency and relative frequency distributions. Full data set (Round to the nearest integer as needed.) 42 39 47 43 37 49 44 35 46 45 30 42 39 47 43 37 Class Limits Frequency f Relative Frequency n 49 44 40 46 45 34 48 41 21-25 2% 33 43 42 22 44 40 46 45 38 48 41 36 50 42 32 47 26-30 N 4% 43 28 45 44 48 41 36 50 31-35 4 8% 36-40 9 19 % 41-45 19 40% 46-50 13 27 % Print Done (b) Construct a histogram. Choose the correct graph below. O B. O C. OD. O A 20- 20 20- 20- 16- 16- 16- 16- 12- 12- 12- 12- Frequency Frequency 8- 8- Frequency 8- 8- 1-5 21-25 46-50 1-5 21-25 46-50 1-5 21-25 46-50 1-5 21-25 46-50 Scores Scores Scores Scores