By the end of this module, you should be able to:
- Describe the purpose and interpretation of confidence intervals for proportions,
- Identify the quantities that are random and not random in the construction of confidence intervals for proportions,
- Apply the large sample sampling distribution of a sample proportion to calculate confidence intervals for proportions,
- Determine the sample size necessary for a confidence interval for a proportion to be sufficiently narrow.
Topics covered in this module
Learning resources:
- Data Used in this Module
- Introduction to Confidence Intervals (video)
- Confidence Intervals for Proportions (video)
- Sample Size for Estimating a Proportion (video)
- Optional: Guide to carrying out the analysis in the modules Confidence Intervals Parts 1 and 2 using R (pdf)