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What's on the worksheet
- Say which question is about a population and which about a sample.
- Word problem: a toll bridge's camera counts and electronic tag use.
- Choose a census or a sample for each study and give the reason.
- Find the percent of sampled helmets with a faulty buckle.
- Word problem: forms returned out of 800 students about a later start.
- Word problem: a sample of seventh graders from one of the district's schools.
- Estimate the number of beans in a sack using red beans mixed in.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Populations, samples and census: the lesson ›More Chapter 13 worksheets: Sampling and comparing populations
- 13.1Populations, samples and census
- 13.2Convenience and voluntary response samples
- 13.3Response bias and question wording
- 13.4Simple random samples and the sampling frame
- 13.5Parameters and statistics
- 13.6Sampling variability and simulating it
- 13.7Comparing box plots
- 13.8Comparing two distributions
- 13.9Comparing two populations: the gap between means in MADs