Biostatistics for Public Health: Studies, Risk, and Causation
Risk ratios, odds ratios, confidence intervals, p-values, confounding, and the toolbox for inferring causation from population data.
- Advanced
- 15questions
- 21min
- Topic: Biostatistics
- Undergraduate (BSc)
Free. No account needed for your first five quizzes.
Sample Questions
What You'll Be Asked
- In a 10-year cohort study, 30 of 1,000 smokers and 10 of 2,000 non-smokers developed chronic lung disease. What is the relative risk for smokers?
- In a 10-year cohort, 30 of 1,000 smokers and 10 of 2,000 non-smokers developed chronic lung disease. How many extra cases does smoking account for per 1,000 smokers?
- A case-control study of 100 cases and 100 controls finds that 60 cases and 30 controls had the exposure. What is the odds ratio?
12 more questions in the quiz. Your score and the right answers come at the end.
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