Using the data from Exercise 12.28, test the following at
Chapter 12, Problem 12.29(choose chapter or problem)
Using the data from Exercise 12.28, test the following at the 0.05 level. (a) H0: 1 = 0 versus H1: 1 = 0; (b) H0: 2 = 0 versus H1: 2 = 0. (c) Do you have any reason to believe that the model in Exercise 12.28 should be changed? Why or why not?
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