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Is the prevalence of CVD different in smokers as compared to nonsmokers in the hypothetical study (data in the table below)? No CVD Yes CVD

  1. Is the prevalence of CVD different in smokers as compared to nonsmokers in the hypothetical study (data in the table below)?

No CVD Yes CVD Total

Non-smokers

2957 150 3107

Smokers

100 550 650

Total

3057 700 3757

  1. What kind of an outcome is this? What kind of a sample is this?
  2. Set up the null and research hypotheses
  3. Select the test statistic
  4. Set up the decision rule
  5. Compute the test statistic using Excel
  6. What is your conclusion?

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