18 - Survey

Why should you consider a pot of vegetable soup when designing a survey?

Homework: Chapter 12 # 3, 20, 21, Read pages 268-272

Vocabulary: population, sample, bias, sample size, census, simple random sample, voluntary response, undercoverage

Study Questions:

  1. What is a representative sample?
  2. What are the ways by which we can draw samples?
  3. Why is randomization important to sampling?
  4. What kinds of biases can compromise our survey results?
  5. What is the purpose of a pilot survey?
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