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The Wilcoxon rank-sum test is an appropriate test when:

Jennthejelly

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The Wilcoxon rank-sum test is an appropriate test when:

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comparing two population proportions, assuming the underlying distributions are normal.

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comparing two population medians, assuming both populations are mound-shaped symmetric.

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comparing two population medians when the underlying distributions are non-normal or when the data are ranks.

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testing whether the median value from a single population is different from an assumed value when the distribution is normal.

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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Dark_Shadow

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More solutions for this book are available here

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Jennthejelly Author

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Smart ... Thanks!

aznzergs

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Ivansitospeed@g

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This helped my grade so much Perfect

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