In Exercise 11.66, you performed an analysis of variance to compare the mean levels of effluents in
Question:
a. Do the data present sufficient evidence to indicate a difference in the levels of pollutants for the four different industrial plants? Test using the appropriate nonparametric test.
b. Find the approximate p-value for the test and interpret its value.
c. Compare the test results in part a with the analysis of variance test in Exercise 11.66. Do the results agree? Explain.
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Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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