Suppose that n 25 and s 2 49 Assume normality a Compute a 98 percent confidence interval for 2 b Compute a 98 percent confidence interval for c Test the null hypothesis H o 2 25 versus H a 2 25 at the 05 level of significance ...

Suppose that n = 25 and s 2 = 49. Assume normality. a. Compute a 98 percent

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Suppose that n = 25 and s² = 49. Assume normality.

a. Compute a 98 percent confidence interval for σ².

b. Compute a 98 percent confidence interval for σ.

c. Test the null hypothesis H_o: σ² = 25 versus H_a: σ² > 25 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 = 25 and s 2 = 49. Assume normality. a. Compute a 98 percent

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