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 were asked to identify themselves as smokers or non-smokers. In 2020, the same 70 individuals were again be asked whether they were currently smokers or non-smokers. 2018 2020 Non-Smokers Smokers Non-Smokers 25 10 smokers 20 15 Describe the contingency table. Which statistical test is appropriate to use on these data?
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 were asked to identify themselves as smokers or non-smokers. In 2020, the same 70 individuals were again be asked whether they were currently smokers or non-smokers. 2018 2020 Non-Smokers Smokers Non-Smokers 25 10 smokers 20 15 Describe the contingency table. Which statistical test is appropriate to use on these data?
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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Question
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 were asked to identify themselves as smokers or non-smokers. In 2020, the same 70 individuals were again be asked whether they were currently smokers or non-smokers.
|
2018 |
2020 |
|
|
Non-Smokers |
Smokers |
|
|
Non-Smokers |
25 |
10 |
|
smokers |
20 |
15 |
- Describe the
contingency table . - Which statistical test is appropriate to use on these data?
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