b) The following are the final exams of the Social Science course for 60 students of group A. 18 60 57 27 19 20 32 62 26 20 25 35 77 25 21 30 45 67 41 30 37 47 65 42 25 18 51 22 52 30 22 18 27 53 38 27 23 32 35 42 32 37 32 40 45 55 42 45 50 47 Based on the raw data above, build a frequency distribution using the base value & end value procedure