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In: Statistics and Probability

A researcher wants to know if the proportion of people that prefer whiskey to wine person...

A researcher wants to know if the proportion of people that prefer whiskey to wine person instruction is the same at three local bars. A sample of people at each bar was asked about their preference. The data collected is below.

Anglelos

Romans

Guys

WHiskey

197

212

133

Wine

23

33

10

Perform the test of whether the proportions of preference are the same for each bar. Your answer must include each of the following parts:

a. What hypotheses are you using?

b. What is your chi-square statistic?

c. What is your p-value?
d. At alpha=0.05, what is your conclusion?

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