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Author Question: A normal approximation for the Wilcoxon rank-sum test is appropriate when: (Read 92 times)

joe3899

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on: Feb 26, 2023

Question 1

A normal approximation can be used in the Wilcoxon signed-rank test if:

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\(\style{font-family:Times New Roman;}{np>5}\).


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\(\style{font-family:Times New Roman;}{n\geq20}\).


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\(\style{font-family:Times New Roman;}{n\geq30}\).


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\(\style{font-family:Times New Roman;}{e_i\geq5}\)for all categories.



Question 2

A normal approximation for the Wilcoxon rank-sum test is appropriate when:

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\(\style{font-family:Times New Roman;}{n_1\text{ and}\;n_2\geq20}\).


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\(\style{font-family:Times New Roman;}{n_1\;\text{and}\;n_2\geq8}\).


◦

\(\style{font-family:Times New Roman;}{n\geq30}\).


◦

\(\style{font-family:Times New Roman;}{e_i\geq5}\)for all categories.

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Marked as best answer by joe3899 on Feb 26, 2023

RodrickHac

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Reply #1 on: Feb 26, 2023
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joe3899

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Reply 2 on: Feb 26, 2023
Thanks for the timely response, appreciate it

ttt030911

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Reply 3 on: Yesterday
Wow, this really help

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