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Three Wines (California, Australian and Italian) Were Tasted by Judges

Question 4

Multiple Choice

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  California  Australian  Italian B+B+B+BAAAB+ACCB+BAA\begin{array} { | l | l | l | } \hline{ \text { California } } &{ \text { Australian } } & { \text { Italian } } \\\hline \mathrm { B } + & \mathrm { B } + & \mathrm { B } + \\\hline \mathrm { B } - & \mathrm { A } - & \mathrm { A } - \\\hline \mathrm { A } - & \mathrm { B } + & \mathrm { A } - \\\hline \mathrm { C } - & \mathrm { C } & \mathrm { B } + \\\hline \mathrm { B } - & \mathrm { A } - & \mathrm { A } \\\hline\end{array}


A) Wilcoxon Signed-Rank test.
B) Wilcoxon Rank Sum test.
C) Kruskal Wallis test.
D) Spearman's rho.
E) Mann-Whitney test.

Correct Answer:

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