Sheet1
| 21-241: Matrix Algebra |
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| 2005 Spring |
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Course Statistics |
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Cumulative Average |
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Cumulative Statistics |
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Mean by Recitation |
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Grade Cutoffs |
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Grade Distribution |
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Min (%) |
24.56 |
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Section A |
71.64 |
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A cutoff |
79.67 |
=M + 0.46 Sd |
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A's |
45 |
39% |
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Q1 (%) |
58.06 |
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Mean |
71.80 |
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Section B |
72.01 |
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B cutoff |
69.67 |
=M - 0.13 Sd |
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B's |
26 |
22% |
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Q2 (%) |
75.11 |
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Sdev |
16.87 |
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Section C |
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C cutoff |
59.67 |
=M - 0.72 Sd |
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C's |
15 |
13% |
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Q3 (%) |
84.66 |
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Section D |
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D cutoff |
42.00 |
=M - 1.77 Sd |
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D's |
24 |
21% |
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Max (%) |
97.56 |
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Section E |
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R's |
6 |
5% |
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Homework Average |
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Homework Statistics |
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Mean by Recitation |
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Grade Cutoffs |
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Grade Distribution |
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Min (%) |
5.94 |
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Section A |
80.05 |
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A cutoff |
85 |
=M + 0.25 Sd |
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A's |
61 |
53% |
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Q1 (%) |
74.06 |
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Mean |
79.58 |
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Section B |
79.05 |
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B cutoff |
75 |
=M - 0.22 Sd |
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B's |
21 |
18% |
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Q2 (%) |
85.54 |
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Sdev |
21.39 |
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Section C |
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C cutoff |
65 |
=M - 0.69 Sd |
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C's |
14 |
12% |
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Q3 (%) |
94.43 |
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Section D |
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D cutoff |
50 |
=M - 1.39 Sd |
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D's |
6 |
5% |
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Max (%) |
113.11 |
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Section E |
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R's |
13 |
11% |
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Exam #1 |
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Exam Statistics |
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Mean by Recitation |
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Grade Cutoffs |
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Grade Distribution |
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Min (%) |
32 |
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Section A |
81.77 |
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A cutoff |
85 |
=M + 0.15 Sd |
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A's |
54 |
47% |
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Q1 (%) |
73 |
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Mean |
82.71 |
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Section B |
83.84 |
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B cutoff |
75 |
=M - 0.52 Sd |
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B's |
26 |
23% |
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Q2 (%) |
84 |
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Sdev |
15.06 |
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Section C |
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C cutoff |
65 |
=M - 1.18 Sd |
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C's |
20 |
17% |
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Q3 (%) |
96 |
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Section D |
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D cutoff |
50 |
=M - 2.18 Sd |
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D's |
10 |
9% |
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Max (%) |
100 |
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Section E |
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R's |
5 |
4% |
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Exam #2 |
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Exam Statistics |
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Mean by Recitation |
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Grade Cutoffs |
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Grade Distribution |
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Min (%) |
19 |
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Section A |
61.27 |
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A cutoff |
70 |
=M + 0.47 Sd |
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A's |
39 |
34% |
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Q1 (%) |
48 |
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Mean |
61.29 |
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Section B |
61.59 |
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B cutoff |
60 |
=M - 0.08 Sd |
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B's |
20 |
17% |
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Q2 (%) |
60 |
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Sdev |
18.42 |
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Section C |
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C cutoff |
50 |
=M - 0.62 Sd |
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C's |
25 |
22% |
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Q3 (%) |
75 |
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Section D |
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D cutoff |
35 |
=M - 1.43 Sd |
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D's |
21 |
18% |
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Max (%) |
98 |
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Section E |
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R's |
10 |
9% |
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Exam #3 |
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Exam Statistics |
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Mean by Recitation |
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Grade Cutoffs |
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Grade Distribution |
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Min (%) |
2 |
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Section A |
70.87 |
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A cutoff |
80 |
=M + 0.48 Sd |
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A's |
43 |
39% |
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Q1 (%) |
52 |
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Mean |
69.34 |
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Section B |
68.02 |
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B cutoff |
70 |
=M + 0.02 Sd |
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B's |
18 |
16% |
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Q2 (%) |
73 |
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Sdev |
22.07 |
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Section C |
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C cutoff |
60 |
=M - 0.43 Sd |
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C's |
12 |
11% |
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Q3 (%) |
88 |
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Section D |
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D cutoff |
35 |
=M - 1.56 Sd |
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D's |
29 |
26% |
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Max (%) |
100 |
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Section E |
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R's |
9 |
8% |