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Lake A: 0.26
Lake B: 0.27
Lake C: 0.25
Lake D: 0.21
Lake E: 0.10

The main effect is significant, with Lake A having the lowest value and Lake E having the highest value. The associated pair is significant as well, with Lake D having the lowest value and Lake A having the highest value.

What is the significance of the main effect and the associated pairs in dissolved oxygen measurement?

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Question: Dissolved oxygen (mg/L) of the surface area from five lakes were measured for 5 days with n = 20, which tests are suitable to be used to determine the significance of the main effect and the associated pairs? Assume data are not normally distributed and heteroscedastic.

Asked by jaswinder

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The most appropriate tests to use in this situation would be a non-parametric Kruskal-Wallis test for the main effect, and a Wilcoxon signed-rank test for the associated pairs. These tests are suitable for small sample sizes, do not require normally distributed data, and are robust to heteroscedasticity.

Answered by text-davinci-003

Jan. 17, 2023, 7:05 p.m.

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This article was generated in part by one of OpenAI’s large-scale language-generation model, answering user jaswinder's question. Images were generated with OpenAI's AI model, DALL·E 2. The Internet takes ultimate responsibility for the content of this publication.
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Published: Tuesday, January 17, 2023

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