Econ 120B, Fall 2003, Prof. Ramu Ramanathan Scores 1-3 are for homeworks and 4-6 are exams. Adjusted is after one test has been counted less. SCORE MEAN S.D. MIN LQ MEDIAN UQ MAX ADJ AVG 87 9 58 80 88 94 100 AVG 85 10 54 78 86 93 100 1 57 5 17 55 60 60 60 2 90 14 22 90 95 97 100 3 69 12 10 69 76 76 76 4 38 9 7 32 39 44 50 5 43 7 14 40 44 48 50 6 59 9 27 54 61 66 70 Frequency distribution for Adjusted weighted Score Gr Intervals midpt Freq A+ >= 97 98.95 22 *** A 91 - 96.9 93.95 62 ******** A- 86 - 90.9 88.45 39 ***** B+ 81 - 85.9 83.45 32 **** B 76 - 80.9 78.45 29 **** B- 71 - 75.9 73.45 14 ** C+ 66 - 70.9 68.45 7 * C 61 - 65.9 63.45 2 C- 51 - 60.9 55.95 3 D 41 - 50.9 45.95 0 F <= 40.9 20.95 0 Total 210 .bp Frequency distribution for Weighted Score (Max = 100, Weight = 100) Gr Intervals midpt Freq A+ >= 97 98.95 10 * A 91 - 96.9 93.95 61 ******** A- 86 - 90.9 88.45 35 ***** B+ 81 - 85.9 83.45 34 **** B 76 - 80.9 78.45 30 **** B- 71 - 75.9 73.45 18 ** C+ 66 - 70.9 68.45 14 ** C 61 - 65.9 63.45 4 C- 51 - 60.9 55.95 4 D 41 - 50.9 45.95 0 F <= 40.9 20.95 0 Total 210 Frequency distribution for Score 1 (Max = 60, Weight = 5) Gr Intervals midpt Freq A+ >= 58 59.45 152 ********************* A 55 - 57.9 56.45 29 **** A- 52 - 54.9 53.45 13 * B+ 49 - 51.9 50.45 6 B 46 - 48.9 47.45 4 B- 43 - 45.9 44.45 6 C+ 40 - 42.9 41.45 1 C 37 - 39.9 38.45 0 C- 31 - 36.9 33.95 1 D 25 - 30.9 27.95 0 F <= 24.9 12.95 2 Total 214 .bp Frequency distribution for Score 2 (Max = 100, Weight = 5) Gr Intervals midpt Freq A+ >= 97 98.95 61 ******** A 91 - 96.9 93.95 91 ************ A- 86 - 90.9 88.45 18 ** B+ 81 - 85.9 83.45 6 B 76 - 80.9 78.45 6 B- 71 - 75.9 73.45 2 C+ 66 - 70.9 68.45 4 C 61 - 65.9 63.45 7 C- 51 - 60.9 55.95 6 D 41 - 50.9 45.95 5 F <= 40.9 20.95 8 * Total 214 Frequency distribution for Score 3 (Max = 80, Weight = 5) Gr Intervals midpt Freq A+ >= 78 79.45 0 A 73 - 77.9 75.45 142 ******************* A- 69 - 72.9 70.95 14 * B+ 65 - 68.9 66.95 7 B 61 - 64.9 62.95 11 * B- 57 - 60.9 58.95 6 C+ 53 - 56.9 54.95 4 C 49 - 52.9 50.95 5 C- 41 - 48.9 44.95 10 * D 33 - 40.9 36.95 4 F <= 32.9 16.95 11 * Total 214 .bp Frequency distribution for Score 4 (Max = 50, Weight = 20) Gr Intervals midpt Freq A+ >= 49 49.95 12 * A 46 - 48.9 47.45 33 **** A- 43 - 45.9 44.45 25 *** B+ 41 - 42.9 41.95 15 ** B 38 - 40.9 39.45 34 **** B- 36 - 37.9 36.95 11 * C+ 33 - 35.9 34.45 27 *** C 31 - 32.9 31.95 16 ** C- 26 - 30.9 28.45 22 *** D 21 - 25.9 23.45 9 * F <= 20.9 10.95 9 * Total 213 Frequency distribution for Score 5 (Max = 50, Weight = 30) Gr Intervals midpt Freq A+ >= 49 49.95 37 ***** A 46 - 48.9 47.45 56 ******* A- 43 - 45.9 44.45 39 ***** B+ 41 - 42.9 41.95 21 ** B 38 - 40.9 39.45 22 *** B- 36 - 37.9 36.95 11 * C+ 33 - 35.9 34.45 13 * C 31 - 32.9 31.95 4 C- 26 - 30.9 28.45 1 D 21 - 25.9 23.45 3 F <= 20.9 10.95 6 Total 213 .bp Frequency distribution for Score 6 (Max = 70, Weight = 35) Gr Intervals midpt Freq A+ >= 68 69.45 39 ***** A 64 - 67.9 65.95 42 ****** A- 60 - 63.9 61.95 36 ***** B+ 57 - 59.9 58.45 18 ** B 53 - 56.9 54.95 29 **** B- 50 - 52.9 51.45 8 * C+ 46 - 49.9 47.95 13 * C 43 - 45.9 44.45 11 * C- 36 - 42.9 39.45 9 * D 29 - 35.9 32.45 4 F <= 28.9 14.95 1 Total 210