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In: Statistics and Probability

A statistics professor would like to build a model relating student scores on the first 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 2121 students who have previously taken the course are given in the table.

Test Scores
Student First Test Grade Second Test Grade
1 81 79
2 55 64
3 52 61
4 81 74
5 50 65
6 70 71
7 43 64
8 43 58
9 77 75
10 97 88
11 48 64
12 48 68
13 70 70
14 75 71
15 77 72
16 76 73
17 85 80
18 91 85
19 70 75
20 69 77
21 40 57

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Step 1 of 2 :

Using statistical software, estimate the parameters of the model


Second Test Grade=β0+β1(First Test Grade)+εiSecond Test Grade=β0+β1(First Test Grade)+εi .


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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