Multiple Choice
To compare the cost of three shipping methods,a firm shipped five orders to each of four different destinations over a six-month period.Their total shipping costs are shown below. 
Which nonparametric test would you use to compare the median shipping costs among destinations and among shippers?
A) Friedman test
B) Kruskal-Wallis test
C) Wilcoxon rank sum (Mann-Whitney) test
D) Lebesgue-Stieltjes test
Correct Answer:
Verified
Correct Answer:
Verified
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Q8: The Mann-Whitney test is sometimes called the
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