古扎拉蒂第五版数据Table 15_7
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Table 15.7
Data on the Effect of Personalized System of Instruction
(PSI) on Course Grades
OBS = Observation
GPA = Entering Grade Point Average
TUCE = Score on an Examination Given at the Beginning of the Term to
PSI = Personal System of Instruction
where: PSI = 1 if the new method is used
= 0 otherwise
GRADE = 1 if the Letter Grade is A
0 Otherwise
LETTER = Letter Grade
OBS GPA TUCE PSI GRADE
1 2.662000
2 2.892200
3 3.282400
4 2.921200
542101
6 2.861700
7 2.761700
8 2.872100
9 3.032500
10 3.922901
11 2.632000
12 3.322300
13 3.572300
14 3.262501
15 3.532600
16 2.741900
17 2.752500
18 2.831900
19 3.122310
20 3.162511
21 2.062210
22 3.622811
23 2.891410
24 3.512610
25 3.542411
26 2.832711
27 3.391711
28 2.672410
29 3.652111
3042311
31 3.12110
32 2.391911
rm to Test Entering Knowledge of Macroeconomics LETTER
C
B
B
B
A
B
B
B
C
A
C
B
B
A
B
B
C
C
B
A
C
A
C
B
A
A
A
B
A
A
C
A