SCENARIO 12-21 A Perfume Manufacturer Is Trying to Choose Between 2 Magazine

question 134

Short Answer

SCENARIO 12-21
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 both layouts to 5 groups and determines the approval rating from each group on both layouts.The data are given below.Use this to test whether the median difference in approval rating is different from zero in favor of the more expensive layout with a level of significance of 0.05.

-Referring to Scenario 12-21,what is the rank of the absolute difference for the last pair of observations?

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Definitions:

A Priori Causal Theory

Knowledge or reasoning based on theoretical deduction rather than empirical evidence, used to speculate about causes.

Dependent Variable

The variable in an experiment that is being tested and measured, often seen as the outcome or effect in a study.

Independent Variable

In experimental research, the variable that is manipulated by the researcher to examine its effect on the dependent variable.

Systematic Differences

Variations that are consistent and predictable, occurring due to specific factors or conditions in a controlled manner.