# Question: Use the theory of Exercises 14 24 and 14 26 as well

Use the theory of Exercises 14.24 and 14.26, as well as the quantities already calculated in Examples 14.4 and 14.5, to construct

(a) A 95% confidence interval for the mean test score of persons who have studied 14 hours for the test;

(b) 95% limits of prediction for the test score of a person who has studied 14 hours for the test.

(a) A 95% confidence interval for the mean test score of persons who have studied 14 hours for the test;

(b) 95% limits of prediction for the test score of a person who has studied 14 hours for the test.

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