# Question: Refer to the data of Exercise 11 7 a Calculate a 95

Refer to the data of Exercise 11.7.

a. Calculate a 95% confidence interval for β0.

b. What is the interpretation of H0: β0 = 0 for the problem in Exercise 11.7?

c. Test the hypotheses H0: β0 = 0 versus Ha: β0 ≠ 0.

d. Determine the p- value of the test of H0: β0 = 0.

In exercise

a. Calculate a 95% confidence interval for β0.

b. What is the interpretation of H0: β0 = 0 for the problem in Exercise 11.7?

c. Test the hypotheses H0: β0 = 0 versus Ha: β0 ≠ 0.

d. Determine the p- value of the test of H0: β0 = 0.

In exercise

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