Question: Consider the gasoline mileage data in Exercise 12-5. (a) Test for significance of regression using a = 0.05. What conclusions can you draw? (b) Find

Consider the gasoline mileage data in Exercise 12-5.
(a) Test for significance of regression using a = 0.05. What conclusions can you draw?
(b) Find the t-test statistic for both regressors. Using a = 0.05, what conclusions can you draw? Do both regressors contribute to the model?

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