21-260: Differential Equations 2005 Fall Course Statistics Cumulative Average Cumulative Statistics Mean by Recitation Grade Cutoffs Grade Distribution Min (%) 6.24 Chebolu 75.16 A cutoff 82.33 =M + 0.72 Sd A's 46 21% Q1 (%) 64.45 Mean 71.00 Eisenbeis 67.75 B cutoff 71.00 =M + 0 Sd B's 85 39% Q2 (%) 74.57 Sdev 15.64 Mirabito 68.53 C cutoff 61.00 =M - 0.64 Sd C's 45 21% Q3 (%) 80.64 Rand 68.65 D cutoff 47.33 =M - 1.52 Sd D's 23 11% Max (%) 97.79 Taylor 74.92 R's 17 8% Homework Average Homework Statistics Mean by Recitation Grade Cutoffs Grade Distribution Min (%) 7.22 Chebolu 85.99 A cutoff 85 =M + 0.24 Sd A's 126 58% Q1 (%) 70.58 Mean 80.13 Eisenbeis 76.06 B cutoff 75 =M - 0.26 Sd B's 28 13% Q2 (%) 87.77 Sdev 20.06 Mirabito 73.11 C cutoff 65 =M - 0.76 Sd C's 18 8% Q3 (%) 93.95 Rand 76.70 D cutoff 50 =M - 1.51 Sd D's 26 12% Max (%) 99.62 Taylor 88.84 R's 18 8% Exam #1 Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution Min (%) 18 Chebolu 76.53 A cutoff 80 =M + 0.55 Sd A's 67 31% Q1 (%) 65 Mean 72.15 Eisenbeis 70.23 B cutoff 70 =M - 0.16 Sd B's 64 30% Q2 (%) 74 Sdev 14.05 Mirabito 69.59 C cutoff 60 =M - 0.87 Sd C's 52 24% Q3 (%) 83 Rand 68.86 D cutoff 50 =M - 1.58 Sd D's 18 8% Max (%) 98 Taylor 76.42 R's 15 7% Exam #2 Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution Min (%) 1 Chebolu 69.56 A cutoff 80 =M + 0.7 Sd A's 58 27% Q1 (%) 55 Mean 67.29 Eisenbeis 67.14 B cutoff 65 =M - 0.13 Sd B's 64 30% Q2 (%) 69 Sdev 18.04 Mirabito 70.19 C cutoff 55 =M - 0.69 Sd C's 33 16% Q3 (%) 81 Rand 63.97 D cutoff 40 =M - 1.52 Sd D's 40 19% Max (%) 100 Taylor 68.47 R's 16 8% Exam #3 Exam Statistics Mean by Recitation Grade Cutoffs Grade Distribution Min (%) 33 Chebolu 78.22 A cutoff 85 =M + 0.62 Sd A's 26 13% Q1 (%) 70 Mean 76.10 Eisenbeis 73.91 B cutoff 75 =M - 0.08 Sd B's 84 43% Q2 (%) 79 Sdev 14.34 Mirabito 80.19 C cutoff 65 =M - 0.78 Sd C's 49 25% Q3 (%) 84 Rand 72.45 D cutoff 50 =M - 1.83 Sd D's 25 13% Max (%) 100 Taylor 76.13 R's 11 6%