Instruction 19-5
a Perfume Manufacturer Is Trying to Choose Between $\begin{array} { c c } \text { Package } & \text { Scratch } \\\hline 52 & 37 \\68 & 43 \\43 & 53 \\48 & 39 \\56 & 47\end{array}$

question 42

Short Answer

Instruction 19-5
A perfume manufacturer is trying to choose between two 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 five 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 favour of the more expensive layout with a level of significance of 0.05.
$\begin{array} { c c } \text { Package } & \text { Scratch } \\\hline 52 & 37 \\68 & 43 \\43 & 53 \\48 & 39 \\56 & 47\end{array}$
-Referring to Instruction 19-5,what is the value of the test statistic?

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Definitions:

Psychoanalysis

is a psychological theory and therapeutic method developed by Sigmund Freud that emphasizes the importance of unconscious processes in understanding behavior.

Transference

A psychological phenomenon whereby patients project feelings and attitudes from past relationships onto their therapist, originally observed in psychoanalysis.

Psychoanalysis

A therapeutic approach originating with Sigmund Freud, focusing on unconscious processes as they are manifested in a person's present behavior.

Hostility

A state of anger and aggression towards another person or group, often manifesting in antagonistic behavior or attitudes.