Question: Refer to the data in Exercise 11-11 on rocket motor shear strength y and propellant age x. Find a 95% confidence interval on each of

Refer to the data in Exercise 11-11 on rocket motor shear strength y and propellant age x. Find a 95% confidence interval on each of the following:

(a) Slope 1

(b) Intercept 0

(c) Mean shear strength when age x 20 weeks

(d) Find a 95% prediction interval on shear strength when age x 20 weeks.

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