19. Tuna III In Exercise 15 (Section 10.3), you conducted a test to detect a difference in...

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19. Tuna III In Exercise 15 (Section 10.3), you conducted a test to detect a difference in the average prices of light tuna in water versus light tuna in oil.

Summarized data on the average price of two different types of tuna are shown here.

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a. What assumption had to be made concerning the population variances so that the test would be valid?

b. Do the data present sufficient evidence to indicate that the variances violate the assumption in part a?
Test using a 5.05.

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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