Suppose that n 10 and s 2 9 Assume normality a Compute a 95 percent confidence interval for 2 b Test the null hypothesis H 0 2 15 versus Ha 2 15 at the 05 level of significance ...

Suppose that n = 10 and s 2 = 9. Assume normality. a. Compute a 95 percent

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Suppose that n = 10 and s² = 9. Assume normality.

a. Compute a 95 percent confidence interval for σ².

b. Test the null hypothesis H₀: σ² = 15 versus Ha: σ² < 15 at the .05 level of significance.

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Business Statistics In Practice

ISBN: 9780077534844

7th Edition

Authors: Bruce Bowerman, Richard OConnell, Emilly Murphree

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Question Posted: Apr 29, 2023 06:32 AM

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Suppose that n = 10 and s 2 = 9. Assume normality. a. Compute a 95 percent

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