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 students who have previously taken the course are given in the table.
Test Scores
Student First Test Grade Second Test Grade
1 86 78
2 47 61
3 95 82
4 53 66
5 69 74
6 97 86
7 59 66
8 45 62
9 44 60
10 45 65
11 50 69
12 88 78
13 76 74
14 61 69
15 73 72
16 75 77
17 73 70
18 42 64
19 62 68
20 67 68
21 43 60
Step 1 of 2 :Using statistical software, estimate the parameters of the model
Second Test Grade=0+1(First Test Grade)+i.
Enter a negative estimate as a negative number in the regression model. Round your answers to 4 decimal places, if necessary.
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