STUDENT 1 2 3 4 5 6 7 8 9

1st test grade 98 77 88 80 96 61 66 95 69

Final average 93 78 84 73 84 64 64 95 76

(a) Develop a regression model that could be used to predict the final average in the course based on the first test grade.

(b) Predict the final average of a student who made an 83 on the first test.

(c) Give the values of r and r2 for this model. Interpret the value of r2 in the context of this problem.

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