Exercise 12-2 presented a regression model to predict final grade from two hourly tests. (a) Test the
Question:
(a) Test the hypotheses that each of the slopes is zero.
(b) What is the value of R2 for this model?
(c) What is the residual standard deviation?
(d) Do you believe that the professor can predict the final grade well enough from the two hourly tests to consider not giving the final exam? Explain.
Exercise 12-2
A class of 63 students has two hourly exams and a final exam. How well do the two hourly exams predict performance on the final? The following are some quantities of interest:
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Related Book For 
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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