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Author Question: A scientist is hoping to compare the levels of DDT toxin found in three species of fish in a local ... (Read 76 times)

KWilfred

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Question 1

True or False.

For a valid Kruskal-Wallis test, the probability distribution from which the samples are drawn must be continuous.
◦ True
◦ False

Question 2

A scientist is hoping to compare the levels of DDT toxin found in three species of fish in a local river. He randomly samples 50 of each species to use in the analysis. For each fish, he measures the amount of DDT toxin present. Ideally he will be able to determine if a difference exists in the population of DDT toxins found in the three fish species. What type of nonparametric analysis should be used?
◦ The Kruskal-Wallis H-Test
◦ The Wilcoxon Signed Rank Test
◦ The Sign Test
◦ The Wilcoxon Rank Sum Test
◦ The Friedman Fr-Test


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Marked as best answer by KWilfred on Feb 14, 2020

ansleighelindsey

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KWilfred

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Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)


Sarahjh

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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