As a Preliminary Step in Its Product Testing, a Fast

question 17

Multiple Choice

As a preliminary step in its product testing, a fast food chain has two small groups (4 teenagers, 6 older adults) sample the item and "grade" it on "taste." Ratings were grades A to C (including + and -) .What nonparametric method is appropriate to determine if the two groups differ in opinion?

• A)Wilcoxon Rank-Sum
• B)Wilcoxon Signed-Rank
• C)Spearman's rho
• D)Kruskal Wallis
• E)Kendall's tau

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Definitions:

Company President

A high-ranking executive in a company, often responsible for formulating and implementing policies alongside the board of directors and CEO.

Spokesperson

An individual appointed or authorized to speak on behalf of an organization, group, or individual, often to convey messages or information to the public and media.

Old Paradigm

A set of practices and beliefs that have been widely accepted in the past but may no longer be relevant or effective in the current context.