21-260: Differential Equations |
||||||||||||||||

2003 Fall |
||||||||||||||||

Course Statistics |
||||||||||||||||

Cumulative Average |
||||||||||||||||

Cumulative Statistics | Mean by Recitation | Grade Cutoffs | Grade Distribution | |||||||||||||

Min (%) | 1.94 |
Section A | 71.93 |
A cutoff | 85.00 |
=M + 0.66 Sd |
A's | 19 |
21% |
|||||||

Q1 (%) | 52.84 |
Mean | 68.37 |
Section B | 62.34 |
B cutoff | 75.00 |
=M + 0.26 Sd |
B's | 28 |
31% |
|||||

Q2 (%) | 79.21 |
Sdev | 24.96 |
Section C | 77.17 |
C cutoff | 65.00 |
=M - 0.14 Sd |
C's | 7 |
8% |
|||||

Q3 (%) | 87.02 |
Section D | 74.78 |
D cutoff | 52.67 |
=M - 0.63 Sd |
D's | 10 |
11% |
|||||||

Max (%) | 97.43 |
Section E | 62.77 |
R's | 25 |
28% |
||||||||||

Homework Average |
||||||||||||||||

Homework Statistics | Mean by Recitation | Grade Cutoffs | Grade Distribution | |||||||||||||

Min (%) | 4.17 |
Section A | 71.33 |
A cutoff | 85 |
=M + 0.43 Sd |
A's | 49 |
56% |
|||||||

Q1 (%) | 55.33 |
Mean | 71.97 |
Section B | 67.91 |
B cutoff | 75 |
=M + 0.1 Sd |
B's | 7 |
8% |
|||||

Q2 (%) | 86.70 |
Sdev | 30.19 |
Section C | 84.65 |
C cutoff | 65 |
=M - 0.24 Sd |
C's | 3 |
3% |
|||||

Q3 (%) | 95.00 |
Section D | 77.48 |
D cutoff | 50 |
=M - 0.73 Sd |
D's | 10 |
11% |
|||||||

Max (%) | 99.14 |
Section E | 67.74 |
R's | 19 |
22% |
||||||||||

Exam #1 |
||||||||||||||||

Exam Statistics | Mean by Recitation | Grade Cutoffs | Grade Distribution | |||||||||||||

Min (%) | 9 |
Section A | 80.31 |
A cutoff | 90 |
=M + 0.56 Sd |
A's | 35 |
39% |
|||||||

Q1 (%) | 70 |
Mean | 80.42 |
Section B | 74.43 |
B cutoff | 80 |
=M - 0.03 Sd |
B's | 22 |
25% |
|||||

Q2 (%) | 86 |
Sdev | 16.99 |
Section C | 82.78 |
C cutoff | 70 |
=M - 0.62 Sd |
C's | 11 |
12% |
|||||

Q3 (%) | 93 |
Section D | 83.00 |
D cutoff | 60 |
=M - 1.21 Sd |
D's | 14 |
16% |
|||||||

Max (%) | 99 |
Section E | 82.04 |
R's | 7 |
8% |
||||||||||

Exam #2 |
||||||||||||||||

Exam Statistics | Mean by Recitation | Grade Cutoffs | Grade Distribution | |||||||||||||

Min (%) | 0 |
Section A | 73.62 |
A cutoff | 85 |
=M + 0.43 Sd |
A's | 37 |
46% |
|||||||

Q1 (%) | 64 |
Mean | 75.65 |
Section B | 75.83 |
B cutoff | 75 |
=M - 0.04 Sd |
B's | 12 |
15% |
|||||

Q2 (%) | 83 |
Sdev | 21.57 |
Section C | 76.11 |
C cutoff | 65 |
=M - 0.5 Sd |
C's | 10 |
13% |
|||||

Q3 (%) | 92 |
Section D | 71.44 |
D cutoff | 50 |
=M - 1.19 Sd |
D's | 10 |
13% |
|||||||

Max (%) | 100 |
Section E | 77.10 |
R's | 11 |
14% |
||||||||||

Exam #3 |
||||||||||||||||

Exam Statistics | Mean by Recitation | Grade Cutoffs | Grade Distribution | |||||||||||||

Min (%) | 30 |
Section A | 67.50 |
A cutoff | 80 |
=M + 0.5 Sd |
A's | 26 |
36% |
|||||||

Q1 (%) | 63 |
Mean | 71.80 |
Section B | 60.80 |
B cutoff | 70 |
=M - 0.11 Sd |
B's | 14 |
19% |
|||||

Q2 (%) | 73 |
Sdev | 16.37 |
Section C | 75.38 |
C cutoff | 60 |
=M - 0.73 Sd |
C's | 19 |
26% |
|||||

Q3 (%) | 86 |
Section D | 71.88 |
D cutoff | 50 |
=M - 1.34 Sd |
D's | 4 |
6% |
|||||||

Max (%) | 99 |
Section E | 74.53 |
R's | 9 |
13% |
||||||||||

Final Exam |
||||||||||||||||

Exam Statistics | Mean by Recitation | Grade Cutoffs | Grade Distribution | |||||||||||||

Min (%) | Section A | A cutoff | A's | |||||||||||||

Q1 (%) | Mean | Section B | B cutoff | B's | ||||||||||||

Q2 (%) | Sdev | Section C | C cutoff | C's | ||||||||||||

Q3 (%) | Section D | D cutoff | D's | |||||||||||||

Max (%) | Section E | R's |