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he following information comes from a study that examines changes in smoking status over a two-year period. In 2018, a sample of 70 adults over the age of 18 was asked to identify themselves as smokers or non-smokers. In 2020, the same 70 individuals were again asked whether they were currently smokers or non-smokers. a. Describe the contingency table b. Which statistical test is appropriate to use on these data? Perform an appropriate to know whether there is an association between smoking status and year. Use alpha=0.05 [hint: for part 2, all five steps as hypotheses, critical value, test statistics, Decision about null hypothesis, and Conclusion]

he following information comes from a study that examines changes in smoking status over a two-year period. In 2018, a sample of 70 adults over the age of 18 was asked to identify themselves as smokers or non-smokers. In 2020, the same 70 individuals were again asked whether they were currently smokers or non-smokers. a. Describe the contingency table b. Which statistical test is appropriate to use on these data? Perform an appropriate to know whether there is an association between smoking status and year. Use alpha=0.05 [hint: for part 2, all five steps as hypotheses, critical value, test statistics, Decision about null hypothesis, and Conclusion]

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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The following information comes from a study that examines changes in smoking status over a two-year period. In 2018, a sample of 70 adults over the age of 18 was asked to identify themselves as smokers or non-smokers. In 2020, the same 70 individuals were again asked whether they were currently smokers or non-smokers. a. Describe the contingency table b. Which statistical test is appropriate to use on these data? Perform an appropriate to know whether there is an association between smoking status and year. Use alpha=0.05 [hint: for part 2, all five steps as hypotheses, critical value, test statistics, Decision about null hypothesis, and Conclusion]
2017 Non-Smokers smokers 2019 Non-Smokers Smokers 25 10 20 15
Transcribed Image Text:2017 Non-Smokers smokers 2019 Non-Smokers Smokers 25 10 20 15
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