The Following Are the Ratings (0 to 4)given by 12

question 78

Multiple Choice

The following are the ratings (0 to 4) given by 12 individuals for two possible new flavors of soft drinks. Wilcoxon rank-sum is to be used. What is the z-test statistic?

• A)−0.3464
• B)0.3464
• C)8.6602
• D)0.2807

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