A consumer psychologist wishes to determine whether playing music increases sale

Question

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays 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.

The value of r in the appendix from Tukey's q values is

a) 2

b) 4

c) 8

d) 32

What error degrees of freedom would be chosen in the appendix for Tukey's q value?

a) 3

b) 24

c) 30

d) 8

The value of q in the appendix for Tukey's q values is

a) 3.90

b) 4.91

c) 3.85

d) 4.80

Tukey's HSD value for Problem 2 would be

a) 39.7

b) 91.5

c) 45.3

d) 91.2

Remember for this question, you are answering based on the results of Tukey's test and not on the mathematical results. The results of Tukey's HSD test 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

Based on Tukey's HSD results, all but one of the following are true. Which is not a true statement?

a) The no music condition produced the greatest sales.

b) The soft rock condistion produced the second best sales (better than classical and jazz)

c) There were no differences in sales between the soft rock, classical, and jazz.

no music soft rock classical jazz 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

Explanation / Answer

Solution

a. option b value ofr = 4

b. option b , 7*4 = 28- 4 = 24

c, option a , q value = 3.90 (as df of error = 24 and number of means = 4)

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