Lesson Plans

Sampling

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

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