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Author Question: A researcher is considering performing a Kruskal-Wallis test to compare four population means and ... (Read 89 times)

nummyann

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A researcher is considering performing a Kruskal-Wallis test to compare four population means and wants to determine whether the assumptions are met. Independent samples of sizes 7, 6, 3, and 8 are selected from the four populations.  The variable under consideration has a uniform distribution on each of the four populations.  Which, if any, of the assumptions for the Kruskal-Wallis test is violated?
◦ The assumption that the populations should be normally distributed
◦ The assumption that the populations should have the same shape
◦ The assumption that all sample sizes should be 5 or greater
◦ None of the assumptions is violated.


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Marked as best answer by nummyann on Apr 7, 2020

sabina576

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nummyann

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Reply 2 on: Apr 7, 2020
Great answer, keep it coming :)


Viet Thy

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Reply 3 on: Yesterday
Wow, this really help

 

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