Digital Viewing Times. Refer to Exercise 8.130. a. Find and interpret a 90% lower confidence bound for

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Digital Viewing Times. Refer to Exercise 8.130.

a. Find and interpret a 90% lower confidence bound for last year’s mean time spent per day with digital media by American adults.

b. Compare your one-sided confidence interval in part

(a) to the (twosided) confidence interval found in Exercise 8.130.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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