Loose Leaf for Statistical Techniques in Business and Economics
Loose Leaf for Statistical Techniques in Business and Economics
17th Edition
ISBN: 9781260152647
Author: Douglas A. Lind
Publisher: McGraw-Hill Education
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Chapter 16, Problem 20E
To determine

State the conditions that are necessary to use Kruskal–Wallis test instead of Wilcoxon rank-sum test.

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suppose you and a friend each take different random samples of data pairs (x,y) from the same popuation. Assumethe samples are the same size. Based on your samples, you compute r=0.83. Based on her sample, your friend computes r=0.79. Is your friends value for r wrong?
We use the Wilcoxon signed-rank test to test the hypothesis that there is no difference between the Before and After with this data: Questions What is the sum of rank for before and after ?
If x, x2 ... Xn is a random sample from N (µ, o²) popula- tion, find súfficient estimator for µ and ơ.

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Loose Leaf for Statistical Techniques in Business and Economics

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