21-112: Integration, Differential Equations and Approximation
2007 Fall
Course Statistics
Cumulative Average
Cumulative Statistics Mean by Recitation Grade Cutoffs Grade Distribution
Min (%) 3.24 Klipper 63.19 A cutoff 74.32 =M + 0.61 Sd A's 12 31%
Q1 (%) 54.87 Mean 62.54 Klipper 59.20 B cutoff 62.95 =M + 0.02 Sd B's 13 33%
Q2 (%) 66.35 Sdev 19.3 Noquez 66.23 C cutoff 52.95 =M - 0.5 Sd C's 5 13%
Q3 (%) 76.21 D cutoff 41.25 =M - 1.11 Sd D's 5 13%
Max (%) 86.63 R's 4 10%
Homework Average
Homework Statistics Mean by Recitation Grade Cutoffs Grade Distribution
Min (%) 0 Klipper 70.71 A cutoff 85 =M + 0.61 Sd A's 17 45%
Q1 (%) 49.4 Mean 68.95 Klipper 70.57 B cutoff 75 =M + 0.23 Sd B's 4 11%
Q2 (%) 79.96 Sdev 26.23 Noquez 65.97 C cutoff 65 =M - 0.16 Sd C's 4 11%
Q3 (%) 90.5 D cutoff 50 =M - 0.73 Sd D's 3 8%
Max (%) 97.8 R's 10 26%
Exam #1
Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution
Min (%) 37 Klipper 67.14 A cutoff 70 =M + 0.69 Sd A's 9 25%
Q1 (%) 54 Mean 61.39 Klipper 57.38 B cutoff 55 =M - 0.52 Sd B's 17 47%
Q2 (%) 60 Sdev 12.38 Noquez 63.23 C cutoff 45 =M - 1.33 Sd C's 6 17%
Q3 (%) 70.25 D cutoff 35 =M - 2.14 Sd D's 4 11%
Max (%) 85 R's 0 0%
Exam #2
Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution
Min (%) 15 Klipper 78.14 A cutoff 85 =M + 0.57 Sd A's 9 25%
Q1 (%) 67.75 Mean 75.19 Klipper 67.00 B cutoff 75 =M - 0.02 Sd B's 9 25%
Q2 (%) 75.5 Sdev 17.16 Noquez 83.69 C cutoff 65 =M - 0.6 Sd C's 10 28%
Q3 (%) 85.25 D cutoff 50 =M - 1.47 Sd D's 6 17%
Max (%) 100 R's 2 6%
Exam #3
Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution
Min (%) 32 Klipper 61.29 A cutoff 65 =M + 0.41 Sd A's 13 36%
Q1 (%) 44 Mean 58.33 Klipper 55.50 B cutoff 55 =M - 0.21 Sd B's 7 19%
Q2 (%) 62 Sdev 15.92 Noquez 60.23 C cutoff 45 =M - 0.84 Sd C's 6 17%
Q3 (%) 68 D cutoff 35 =M - 1.47 Sd D's 5 14%
Max (%) 92 R's 5 14%
Final Exam
Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution
Min (%) 33 Klipper 75.14 A cutoff 75 =M + 0.48 Sd A's 12 32%
Q1 (%) 57 Mean 68.38 Klipper 62.72 B cutoff 65 =M - 0.25 Sd B's 13 35%
Q2 (%) 68.5 Sdev 13.62 Noquez 71.46 C cutoff 55 =M - 0.99 Sd C's 4 11%
Q3 (%) 79 D cutoff 45 =M - 1.72 Sd D's 7 19%
Max (%) 88.5 R's 1 3%