The owner of a nightclub that specializes in classic modern jazz is going to be
ID: 3289570 • Letter: T
Question
The owner of a nightclub that specializes in classic modern jazz is going to be buying a series of recordings for the jukebox. Before buying them he wants to know the customer’s preferences for male vocalists, female vocalists, or instrumentalists. Seventy-two customers were randomly asked their preferences, with the following results:
Male
Female
Instrumentals
19(24)
27(24)
26(24)
Test for equal preference using alpha = 0.05.
a. Calculate the test statistic SPSS.
Male
Female
Instrumentals
19(24)
27(24)
26(24)
Explanation / Answer
Ans:
H0:Preference are equally likely.
H1:Preferences are not equally likely.
Chi square test:
Calculated Chi square=1.58
Degree of freedom=3-1=2
Significance level=0.05
Critical Chi square=5.99
As,calculated chi square score=1.58<5.99,We fail to reject H0.
Hence,it concludes that preferences are equally likely.
Observed(O) Expected(E) (O-E)^2/E 1 19 24 1.04 2 27 24 0.38 3 26 24 0.17 Total 72 72 1.58Related Questions
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