After completing this module, you should be able to ...

- Describe the concept underlying confidence regions.
- Construct confidence regions for parameters.
- Use the confidence interval formula to estimate desired sample sizes.

## Preparation for Class

Use the materials below to answer the questions on this preparation guide.

- Reading
- Introduction to Confidence Intervals [7 mins]
- Interpreting Confidence Intervals [6 mins]
- Constructing a Confidence Interval [10 mins] [
**Skip from 7:49 to 8:28.**] - Confidence Interval Overview [6 mins]
- Compute Sample Size [2 mins]