Chantix (varenicline) is a drug used as an aid for those who want to stop smoking. The adverse reaction of nausea has been studied in clinical trials, and the table below summarizes results. Use a 0.01 significance level to test the claim that nausea is independent of whether the subject took a placebo or Chantix. What is the tabular Chi-square value? * WHICH OF THE FOLLOWING? 3.841 5.991 0.001 6.635 9.210

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.