Refer to the data of Exercise 11.7. a. Calculate a 95% confidence interval for 1. b. What

Refer to the data of Exercise 11.7.
a. Calculate a 95% confidence interval for β1.
b. What is the interpretation of H0: β1 = 0 in Exercise 11.7?
c. Test the hypotheses H0: β1 = 0 versus Ha: β1 ‰  0.
d. Determine the p- value of the test of H0: β1 = 0.
In exercise

Transcribed Image Text:

0% 1% 2% 3% Pectin concentration Firmness reading 4690, 50.20, 51.30 56.48, 59.34, 6297 67.91,70.78, 73.67 6813, 70.85, 72.34