Using the data from Exercise 12 28, test, at level 0 05 (a) Ho 1 0 versus H1 1 0 (b) Ho 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 win not

Question: Using the data from Exercise 12.28, test, at level 0.05 (a) Ho: 1 = 0 versus H1: 1 0; (b) Ho: 2 = 0 versus

Using the data from Exercise 12.28, test, at level 0.05
(a) Ho: β1 = 0 versus H1: β1 ≠ 0;
(b) Ho: β2 = 0 versus H1: β2 ≠ 0.
(c) Do you have any reason to believe that the model in Exercise 12.28 should be changed? Why or win not?

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