Three wines (California, Australian and Italian) were tasted by judges as part of
An annual food and wine festival. The judges graded the wines on overall quality (A =
Excellent to F = poor) . Each wine was graded by a different group of judges (the data are
Shown below) . Are there differences in the perceived quality among the three wines?
The appropriate nonparametric procedure to use is the
A) Wilcoxon Signed-Rank test.
B) Wilcoxon Rank Sum test.
C) Kruskal Wallis test.
D) Spearman's rho.
E) Mann-Whitney test.
Correct Answer:
Verified
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