Dropout Rates. Refer to Problems 11 and 12. a. Find the predicted graduation rate for a university

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Dropout Rates. Refer to Problems 11 and 12.

a. Find the predicted graduation rate for a university that has an average age of 21 years.

b. Find a 95% prediction interval for the dropout rate of a university that has an average age of 21 years.

c. Explain why the prediction interval in part

(b) is wider than the confidence interval in Problem 15(b).

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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