Refer to the data of lizard lengths in Exercise 9.11. (a) Determine a 90% confidence interval for

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Refer to the data of lizard lengths in Exercise 9.11.
(a) Determine a 90% confidence interval for the population standard deviation a.
(b) Should H0: σ = 9 be rejected in favor of H1: σ ≠ 9 at α = .10? [Answer by using your result in part (a).]

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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Question Posted: Apr 19, 2016 11:02 AM

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Refer to the data of lizard lengths in Exercise 9.11. (a) Determine a 90% confidence interval for

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a A 90 confidence interval for is given by where df n 1 For the lizard length ...View the full answer

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