A Consumer Psychologist Wishes to Determine Whether Playing Music Increases

Multiple Choice

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. $\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\\hline 128 & 57 & 87 & 55 \\101 & 32 & 40 & 24 \\157 & 93 & 21 & 95 \\196 & 35 & 92 & 19 \\163 & 58 & 55 & 60 \\144 & 61 & 59 & 85 \\170 & 82 & 39 & 54 \\\hline\end{array}$
-Remember for this question, you are answering based on the results of Tukey's test, not on the mathematical results.The results of Tukey's HSD test for this problem revealed that

A) the soft rock condition produced the second greatest sales, that is, better than the classical and jazz conditions
B) the soft rock, classical, and jazz conditions all were tied as second best, next to the no-music condition
C) the jazz condition produced the least amount of sales
D) the classical condition produced the third best amount of sales