Confidence intervals for a population mean: construction, sample size, width and interpretation

What this note covers

1. From point estimates to interval estimates
2. Constructing a confidence interval
3. Width, confidence level and sample size
4. Interpreting confidence intervals correctly
5. Simulation of intervals, and intervals for individual values
6. Exam technique for confidence intervals

6 sections · 10 key terms & formulas · 6 common mistakes