Learning Targets
1.
Understand how convenience samples and voluntary response samples can lead to bias.
1.
Explain how to select a stratified random sample.
1.
Explain how to select a cluster random sample and a systematic random sample.
1.
Explain how undercoverage and nonresponse can lead to bias.
2.
Understand what conditions can lead to response bias.
2.
Explain how to select a simple random sample (SRS).
2.
Understand the advantages and disadvantages of each sampling method.
2.
Understand how the sampling method can affect the bias and variability of estimates about a population.