Using the data and your results from question 22, test the individual significance of b₁ and b₂. Also construct a 99 % confidence interval for b₁ and b₂.

Question 22

Thomas Chen, an education professor, is interested in the relationship among final exam scores, midterm exam scores, and hours studied for the final. He collects the following data.

(a) Estimate the regression coefficients for α, β₁, and β₂.

(b) Compute the estimated R₂ and of the adjusted R₂.

Transcribed Image Text:

Final exam score, y 75 83 72 88 95 Midterm exam score, X 74 89 65 92 90 Hours studied, X in 0 5 8 9 4 10