TABLE 12-14 A Perfume Manufacturer Is Trying to Choose Between 2 Magazine

question 29

True/False

TABLE 12-14
A perfume manufacturer is trying to choose between 2 magazine advertising layouts.An expensive layout would include a small package of the perfume.A cheaper layout would include a "scratch-and-sniff" sample of the product.The manufacturer would use the more expensive layout only if there is evidence that it would lead to a higher approval rate.The manufacturer presents the more expensive layout to 4 groups and determines the approval rating for each group.He presents the "scratch-and-sniff" layout to 5 groups and again determines the approval rating of the perfume for each group.The data are given below.Use this to test the appropriate hypotheses with the Wilcoxon Rank Sum Test with a level of significance of 0.05.
-True or False: Referring to Table 12-14,the null hypothesis should be rejected.

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Definitions:

Elderspeak

A simplified speech register used by younger people when communicating with the elderly, often characterized by a slower rate, exaggerated intonation, and simpler vocabulary.

Ageism

Discrimination or prejudice against individuals based on their age, often targeting older adults but can affect younger people too.

Cognitive Impairment

A reduction in cognitive abilities such as memory, decision-making, or problem-solving.

Self-fulfilling Prophecy

A forecast that, by the virtue of being made, influences actions and attitudes in a way that brings it to realization, fueled by a cyclical reinforcement between conviction and action.