Question

Refer to Exercise 8.27.
a. Use a nonparametric procedure to group the suppliers based on their mean ­deviations. Use an experimentwise error rate of .05.
b. Use the Tukey’s W procedure to group the suppliers based on their mean deviations. Use an experimentwise error rate of .05.
c. Compare the two sets of groupings. Why is the nonparametric procedure more ­appropriate in this situation?


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  • CreatedNovember 21, 2015
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