Comparison of two protective methods against corrosion yielded the following maximum depths of pits (in thousandths of

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Comparison of two protective methods against corrosion yielded the following maximum depths of pits (in thousandths of an inch) in pieces of similar metals subjected to the respective treatments:
Comparison of two protective methods against corrosion yielded the following

Use the Wilcoxon rank sum test at the significance level of 0.01 to test the null hypothesis that the two samples have identical medians against the alternative hypothesis that the medians are not equal.

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Mathematical Statistics With Applications In R

ISBN: 9780124171138

2nd Edition

Authors: Chris P. Tsokos, K.M. Ramachandran

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