A random sample of size 20 from a normal population has sample standard deviation s = 10.

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Test H0: σ = 15 versus H1: σ < 15.

Use the α = 0.05 level.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 08, 2024 01:00 PM

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A random sample of size 20 from a normal population has sample standard deviation s = 10.

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Elementary Statistics

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