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Author Question: In the Wilcoxon rank-sum test, the null hypothesis may be expressed as:\(\style{font-family:Times ... (Read 308 times)

blkth103

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on: Feb 26, 2023
In the Wilcoxon rank-sum test, the null hypothesis may be expressed as:

​

\(\style{font-family:Times New Roman;}{H_0:\;{\overset˜\mu}_1-{\overset˜\mu}_2=\Delta_{\text{o}}}\)

​

If\(\style{font-family:Times New Roman;}{\Delta_{\text{o}}=0}\), then:


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the test is not valid.


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we can conclude that the null hypothesis is true and there is no difference in the two population medians only if the sample provides sufficient support for this assertion.


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there is insufficient evidence to reject the null hypothesis, but nothing is said about the validity of the null hypothesis.


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the median of population 1 is equal to the mean of population 2, provided both populations are heavily skewed.

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Marked as best answer by blkth103 on Feb 26, 2023

reason44

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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blkth103

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Reply 2 on: Feb 26, 2023
Excellent

Liamb2179

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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