Question: Consider the foam data in Exercise 5-20. Construct the following: (a) A 90% two-sided CI on 1 22 2. (b) A 95% two-sided CI on

Consider the foam data in Exercise 5-20. Construct the following:

(a) A 90% two-sided CI on 1 22 2.

(b) A 95% two-sided CI on 1 22 2. Comment on the comparison of the width of this interval with the width of the interval in part (a).

(c) A 90% lower-confidence bound on 12.

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