WHY did it take so long to grade the tests?
The distribution of scores for quiz 1
89
89 79
100 88 79
100 88 78
100 87 78
99 87 78
99 86 77
99 86 77
97 86 77
97 85 76
97 85 76
95 85 76
94 85 75 68
94 84 75 67
94 84 74 67
93 84 73 67 58
93 84 73 65 58
92 84 72 64 57 48
92 83 72 63 57 46
91 83 71 62 56 46
90 83 71 62 55 45 37
90 81 71 62 55 43 32
90 80 70 60 50 41 32 28
The distribution of scores for quiz 2
59
57
56
56
56
55
54 49
69 54 48
69 53 48
67 53 48
77 67 53 47 38
77 67 53 46 36
76 64 52 45 35
87 74 64 52 45 34 29
87 74 63 52 45 33 28
86 74 63 51 44 31 27
84 73 63 51 42 31 27
99 84 73 63 51 42 31 26
94 83 72 62 50 41 30 24
91 80 72 62 50 40 30 22 17
90 80 71 60 50 40 30 22 13
