Question: A statistics professor would like to build a model relating student scores on the first test to the scores on the second test. The test
A statistics professor would like to build a model relating student scores on the first test to the scores on the second test. The test scores from a random sample of 21
21students who have previously taken the course are given in the table.
Test Scores
StudentFirst Test GradeSecond Test Grade159
59 67
67 294
94 54
54 384
84 58
58 449
49 77
77 574
74 65
65 687
87 54
54 774
74 63
63 893
93 52
52 980
80 60
60 1055
55 75
75 1183
83 58
58 1285
85 58
58 1347
47 78
78 1449
49 72
72 1572
72 60
60 1641
41 78
78 1765
65 64
64 1852
52 73
73 1962
62 67
67 2059
59 68
68 2197
97 57
57 Copy Data
Step1of2:
Using statistical software, estimate the parameters of the model
Second Test Grade=
0
+
1
(First Test Grade)+
i
Second Test Grade=0+1(First Test Grade)+i .
Enter a negative estimateas a negative number in the regression model. Round your answers to 4 decimal places, if necessary.
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