The following scores represent the final examination grade for an elementary statistics course:-

23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 63 98 74 80
81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 80 85 61 62


i.Find its Mean, Median, and Mode (Use first 10 observations)
ii.Make a grouped frequency distribution of this data and again calculate Mean, Median, and Mode.