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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 4 *Source: Harris Poll a. Determine the null and alternative hypotheses. Ho: The methods for helping people quit smoking are the same. Ha: The methods for helping people quit smoking follow a different distribution. O Ho: The methods for helping people quit smoking are independent. Ha: The methods for helping people quit smoking are dependent. b. Determine the test statistic. Round your answer to two decimal places. c. Determine the p-value. Round your answer to four decimal places. p-value =

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 4 *Source: Harris Poll a. Determine the null and alternative hypotheses. Ho: The methods for helping people quit smoking are the same. Ha: The methods for helping people quit smoking follow a different distribution. O Ho: The methods for helping people quit smoking are independent. Ha: The methods for helping people quit smoking are dependent. b. Determine the test statistic. Round your answer to two decimal places. c. Determine the p-value. Round your answer to four decimal places. p-value =

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 4 *Source: Harris Poll a. Determine the null and alternative hypotheses. Ho: The methods for helping people quit smoking are the same. Ha: The methods for helping people quit smoking follow a different distribution. O Ho: The methods for helping people quit smoking are independent. H.: The methods for helping people quit smoking are dependent. b. Determine the test statistic. Round your answer to two decimal places. x - c. Determine the p-value. Round your answer to four decimal places. p-value = d. Make a decision. O Reject the null hypothesis. O Fail to reject the null hypothesis. e. Make a conclusion. O There is not sufficient evidence to support the claim that the methods for helping people quit smoking are different. O There is sufficient evidence to support the claim that the methods for helping people quit smoking are different.
Transcribed Image Text: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 4 *Source: Harris Poll a. Determine the null and alternative hypotheses. Ho: The methods for helping people quit smoking are the same. Ha: The methods for helping people quit smoking follow a different distribution. O Ho: The methods for helping people quit smoking are independent. H.: The methods for helping people quit smoking are dependent. b. Determine the test statistic. Round your answer to two decimal places. x - c. Determine the p-value. Round your answer to four decimal places. p-value = d. Make a decision. O Reject the null hypothesis. O Fail to reject the null hypothesis. e. Make a conclusion. O There is not sufficient evidence to support the claim that the methods for helping people quit smoking are different. O There is sufficient evidence to support the claim that the methods for helping people quit smoking are different.
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