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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
16
![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2f7ff833-64b6-437f-b69f-def70a86f8d9%2F4f2bb4fa-3bad-4d4d-b00a-8b63fd85027f%2Fdpcyft_processed.jpeg&w=3840&q=75)
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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