Question: Consider the gasoline mileage data in Exercise 12-7. (a) Test for significance of regression using 0.05. What conclusions can you draw? (b) Find the t-test

Consider the gasoline mileage data in Exercise 12-7.

(a) Test for significance of regression using 0.05. What conclusions can you draw?

(b) Find the t-test statistic for each regressor. Using 0.05, what conclusions can you draw? Does each regressor contribute to the model?

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