Given the following raw data (sample data)

23 60 79 32 57 74 52 70 82 36 32 32

80 77 81 95 41 65 92 85 55 7647 21

52 10 64 75 78 25 80 98 81 67 65 55

41 71 83 54 64 72 88 62 74 43 21 63

60 78 89 76 84 48 84 90 15 79 34 72

34 67 17 82 69 74 63 80 85 61 87 16

1. Set up a frequency distribution having 12 classes.
2. Construct the following: Frequency polygon and cumulative frequency polygon and histogram.