Question: 1. This problem involves the same data set as Problem 1 in Homework 2 (Problem 2 on Page 608 in your textbook). From Homework 2

1. This problem involves the same data set as Problem 1 in Homework 2 (Problem 2 on Page 608 in your textbook). From Homework 2 it is known that the estimated regression equation is y = 68 3x. Suppose SST = 1850,SSE = 230, sb1 = 0.653. Do NOT use Minitab for this problem.

a) Carry out a t-test to see whether the predictor is significant. Use = 0.05 and critical value approach to draw your conclusion. Make sure to show all your steps.

b) Carry out an F-test to see whether the predictor is significant. Use = 0.05 and critical value approach to draw your conclusion. Make sure to show all your steps.

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