This lesson considers the fundamentals of sampling and attributes of populations versus samples, as well as sampling bias. Two methods for creating valid samples – simple random sampling and stratified sampling – are also discussed.
Sample Topics
- Literary Digest poll
- Ann Landers advice column
- College GPA
- Email spam filters
Lesson Targets
- Define populations versus samples
- Discuss sampling bias, including selection bias and nonresponsive bias
- Define and create a simple random sample and a stratified sample
- Determine when to sample with or without replacement
Materials Included
- Lesson overview with instructor's notes
- Activity sheet containing 16 exercises
- Activity answer key