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1.A group of 2000 individuals from 3 different cities were asked whether they owned a foreign or a domestic car. The following contingency table shows
1.A group of 2000 individuals from 3 different cities were asked whether they owned a foreign or a domestic car. The following contingency table shows the results of the survey.
At ? = 0.05 using the p-value approach, test to determine if the proportion of domestic cars is the same across the cities. The data is also stored in the file named Cars.
a.State the null and the alternative hypotheses.
b.Compute the test statistic.
c.What is the p-value associated with the above sample results?
d.At 95% confidence, what is your conclusion?
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