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

question 59

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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Definitions:

Predictor Variables

Variables in a statistical model that are used to predict or explain changes in the response variable.

Value

Refers to the importance, worth, or usefulness of something, often determined by its desirability, utility, or contribution to achieving a goal.

Multiple Regression Model

A statistical technique that uses multiple independent variables to forecast the outcome and determine the effect of each variable on the dependent variable.

Correlation

A statistical measure that expresses the extent to which two variables change together, ranging from -1 to +1.