A marketing research firm wishes to study the relationship between wine consumpt

Question

A marketing research firm wishes to study the relationship between wine consumption and whether a person likes to watch professional tennis on television. One hundred randomly selected people are asked whether they drink wine and whether they watch tennis. The following results are obtained: a. For each row and column total, calculate the corresponding row or column percentage. b. Test the hypothesis that whether people drink wine is independent of whether people watch tennis. Set alpha = 0.05. c. Given the results of the chi-square test, does it make sense to advertise wine during a televised tennis?

Explanation / Answer

(a)

(b)

(c) There is a significant evidence of a correlation between televised tennis and drinking wine. So it makes sense to advertise wine during tennis.

Watch Tennis Don't watch Tennis Totals Percentage Drink Wine 16 24 40 40% Don't Drink Wine 4 56 60 60% Totals 20 80 100 Percentage 20% 80%

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