Refer to Exercise 9.30. a. Use a nonparametric procedure to compare the mean discoloration scores of groups
Question:
a. Use a nonparametric procedure to compare the mean discoloration scores of groups II, III, and IV. Use an experimentwise error rate of .05.
b. Compare your results in part (a) to your conclusions from Exercise 9.30. Why is the Tukey’s W procedure more appropriate in this situation?
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a Based on the output below the KruskalWallis test su...View the full answer
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Related Book For 
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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