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]
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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]
Transcribed Image Text:2017
Non-Smokers
smokers
2019
Non-Smokers Smokers
25
10
20
15
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