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A researcher wanted to determine which method would help smokers quit smoking. He divided a group of 183 smokers into three groups: Group 1 is

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A researcher wanted to determine which method would help smokers quit smoking. He divided a group of 183 smokers into three groups: Group 1 is given a patch, Group 2 is given oral medication, and Group 3 has no intervention. The results of the study are in the below table. Test the researcher's claim using a significance level of a = 0.05. Group 1 Group 2 Group 3 Did Not Quit 52 54 51 Quit 13 9 4 *Source: Harris Poll a. Determine the null and alternative hypotheses. Ho : The methods for helping people quit smoking are independent. Ha : The methods for helping people quit smoking are dependent. O Ho: The methods for helping people quit smoking are the same. Ha: The methods for helping people quit smoking follow a different distribution. b. Determine the test statistic. Round your answer to two decimal places. x2 at c. Determine the p-value. Round your answer to four decimal places. p-value = d. Make a decision. Fail to reject the null hypothesis. Reject the null hypothesis. e. Make a conclusion. There is sufficient evidence to support the claim that the methods for helping people quit smoking are different. There is not sufficient evidence to support the claim that the methods for helping people quit smoking are different

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