Introduction to Probability and Statistics
Introduction to Probability and Statistics
14th Edition
ISBN: 9781133103752
Author: Mendenhall, William
Publisher: Cengage Learning
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Chapter 15, Problem 15.74SE

a.

To determine

To find:the difference in the contaminant percentage for the two suppliers by Wilcoxon rank sum test.

b.

To determine

To find: that there is adifference in the contaminant percentage for the two suppliers by large-sample approximation.

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Introduction to Probability and Statistics

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