Instruction 19-3
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.
$\begin{array}{cc}
\text { Padkage } & \text { Scratch } \
\hline 52 & 37 \
68 & 43 \
43 & 53 \
48 & 39 \
56 & 47
\end{array}$

-Referring to Instruction 19-3,which pair(s)of observations has a negative signed rank?

Question

Instruction 19-3
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.
 $\begin{array}{cc}
\text { Padkage } & \text { Scratch } \
\hline 52 & 37 \
68 & 43 \
43 & 53 \
48 & 39 \
56 & 47
\end{array}$

-Referring to Instruction 19-3,which pair(s)of observations has a negative signed rank?

Quizplus · Accepted Answer

The Answer of Instruction 19-3
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.
 $\begin{array}{cc}
\text { Padkage } & \text { Scratch } \
\hline 52 & 37 \
68 & 43 \
43 & 53 \
48 & 39 \
56 & 47
\end{array}$

-Referring to Instruction 19-3,which pair(s)of observations has a negative signed rank?

Instruction 19-3 a Perfume Manufacturer Is Trying to Choose Between Padkage Scratch 52376843435348395647\begin{array}{cc}\text { Padkage } & \text { Scratch } \\\hline 52 & 37 \\68 & 43 \\43 & 53 \\48 & 39 \\56 & 47\end{array} Padkage 5268434856​ Scratch 3743533947​​

Instruction 19-3
a Perfume Manufacturer Is Trying to Choose Between $\begin{array}{cc}\text { Padkage } & \text { Scratch } \\\hline 52 & 37 \\68 & 43 \\43 & 53 \\48 & 39 \\56 & 47\end{array}$