15.3 Observations from two random and independent samples, drawn from populations 1 and 2, are given here.

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15.3 Observations from two random and independent samples, drawn from populations 1 and 2, are given here. Use the Wilcoxon rank sum test to determine whether population 1 is shifted to the left of population 2.

a. State the null and alternative hypotheses to be tested.

b. Rank the combined sample from smallest to largest. Calculate T and T.

c. What is the rejection region for a = 0.05?

d. Do the data provide sufficient evidence to indicate that population 1 is shifted to the left of population 2?

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Introduction To Probability And Statistics

ISBN: 9780176509804

3rd Edition

Authors: William Mendenhall

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Question Posted: Sep 11, 2024 05:01 AM

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15.3 Observations from two random and independent samples, drawn from populations 1 and 2, are given here.

Question:

Sample 1 1 3 Sample 2 4 7 2 2 3 35 68 6

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Introduction To Probability And Statistics

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