Question

Refer to Exercise 8.29. In many situations in which the response is a rating rather than an actual measurement, it is recommended that the Kruskal–Wallis test be used.
In exercise
a. Apply the Kruskal–Wallis test to determine whether there is a shift in the distribution of ratings for the four groups.
b. Is the conclusion reached using the Kruskal–Wallis test consistent with the conclusion reached in Exercise 8.29 using AOV?


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  • CreatedNovember 21, 2015
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