Random samples of two species of iris gave the following petal lengths (in cm). (a) Use a

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Random samples of two species of iris gave the following petal lengths (in cm).

(a) Use a 5% level of significance to test the claim that the population standard deviation of x₁ is larger than 0.55.

(b) Find a 90% confidence interval for the population standard deviation of x₁.

(c) Use a 1% level of significance to test the claim that the population variance of x₁ is larger than that of x₂. Interpret the results.

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Understandable Statistics Concepts And Methods

ISBN: 9781337119917

12th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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Question Posted: Jun 19, 2017 08:27 AM

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Random samples of two species of iris gave the following petal lengths (in cm). (a) Use a

Question:

x, ris virginica 5.1 5.9 4.5 4.9 5.7 4.8 5.8 6.4 5.6 5.9 x, ris versicolor 4.5 4.8 4.7 5.0 3.8 5.1 4.4 4.2

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a H 0 2 03025 H 1 2 03025 005 Using Minitab s 2 03624 Therefore ...View the full answer

Understandable Statistics Concepts And Methods

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