Econ 120B, Fall 2003, Score 1 is HW#1, Score 2 is Midterm#1, Score 3 is HW#2,
Score 4 is Exam #2, and AVG is average
SCORE MEAN S.D. MIN LQ MEDIAN UQ MAX
AVG 86 10 46 81 88 93 100
1 89 13 22 88 93 95 100
2 40 7 19 36 41 45 50
3 47 6 3 47 49 50 50
4 44 6 18 41 46 49 50
Frequency distribution for Weighted Score (Max = 100, Weight = 60)
Gr Intervals midpt Freq
A+ >= 97 98.95 24 **
A 91 - 96.9 93.95 75 ********
A- 86 - 90.9 88.45 60 ******
B+ 81 - 85.9 83.45 40 ****
B 76 - 80.9 78.45 28 ***
B- 71 - 75.9 73.45 17 *
C+ 66 - 70.9 68.45 12 *
C 61 - 65.9 63.45 8
C- 51 - 60.9 55.95 3
D 41 - 50.9 45.95 2
F <= 40.9 20.95 0
Total 269
Frequency distribution for Score 1 (Max = 100, Weight = 5)
Gr Intervals midpt Freq
A+ >= 97 98.95 40 ****
A 91 - 96.9 93.95 125 ************
A- 86 - 90.9 88.45 53 *****
B+ 81 - 85.9 83.45 13 *
B 76 - 80.9 78.45 8
B- 71 - 75.9 73.45 3
C+ 66 - 70.9 68.45 7
C 61 - 65.9 63.45 8
C- 51 - 60.9 55.95 4
D 41 - 50.9 45.95 1
F <= 40.9 20.95 28 **
Total 290
.bp
Frequency distribution for Score 2 (Max = 50, Weight = 20)
Gr Intervals midpt Freq
A+ >= 49 49.95 30 ***
A 46 - 48.9 47.45 32 ***
A- 43 - 45.9 44.45 48 *****
B+ 41 - 42.9 41.95 41 ****
B 38 - 40.9 39.45 37 ****
B- 36 - 37.9 36.95 22 **
C+ 33 - 35.9 34.45 20 **
C 31 - 32.9 31.95 15 *
C- 26 - 30.9 28.45 16 *
D 21 - 25.9 23.45 8
F <= 20.9 10.95 3
Total 272
Frequency distribution for Score 3 (Max = 50, Weight = 5)
Gr Intervals midpt Freq
A+ >= 49 49.95 181 *******************
A 46 - 48.9 47.45 29 ***
A- 43 - 45.9 44.45 30 ***
B+ 41 - 42.9 41.95 4
B 38 - 40.9 39.45 8
B- 36 - 37.9 36.95 2
C+ 33 - 35.9 34.45 0
C 31 - 32.9 31.95 2
C- 26 - 30.9 28.45 4
D 21 - 25.9 23.45 4
F <= 20.9 10.95 8
Total 272
.bp
Frequency distribution for Score 4 (Max = 50, Weight = 30)
Gr Intervals midpt Freq
A+ >= 49 49.95 80 ********
A 46 - 48.9 47.45 70 *******
A- 43 - 45.9 44.45 36 ****
B+ 41 - 42.9 41.95 22 **
B 38 - 40.9 39.45 19 **
B- 36 - 37.9 36.95 16 *
C+ 33 - 35.9 34.45 11 *
C 31 - 32.9 31.95 6
C- 26 - 30.9 28.45 6
D 21 - 25.9 23.45 2
F <= 20.9 10.95 1
Total 269