Consider the chemical etch rate data in Exercise 10-21. Use the Wilcox on rank-sum test to investigate

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Consider the chemical etch rate data in Exercise 10-21. Use the Wilcox on rank-sum test to investigate the claim that the mean etch rate is the same for both solutions. If a = 0.05, what are your conclusions?
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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