A consumer psychologist wishes to determine whether playing music increases sales. The owner plays either no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.$\begin{array} { c c c c }
\hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \
\hline 128 & 57 & 87 & 55 \
101 & 32 & 40 & 24 \
157 & 93 & 21 & 95 \
196 & 35 & 92 & 19 \
163 & 58 & 55 & 60 \
144 & 61 & 59 & 85 \
170 & 82 & 39 & 54 \
\hline
\end{array}$
-The value of r in the appendix for Tukey's q values is
A)2
B)4
C)8
D)32

Question

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays either no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.$\begin{array} { c c c c } 
\hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \
\hline 128 & 57 & 87 & 55 \
101 & 32 & 40 & 24 \
157 & 93 & 21 & 95 \
196 & 35 & 92 & 19 \
163 & 58 & 55 & 60 \
144 & 61 & 59 & 85 \
170 & 82 & 39 & 54 \
\hline
\end{array}$
-The value of r in the appendix for Tukey's q values is
A)2
B)4
C)8
D)32

Quizplus · Accepted Answer

Tukey's q values depend on the number of groups and the total number of observations. Here, there are 4 groups (No Music, Soft Rock, Classical, Jazz) and 28 total observations. The value of r for Tukey's test in this context refers to the number of groups being compared, which is 4.

A Consumer Psychologist Wishes to Determine Whether Playing Music Increases