Sample an excellent resource on sampling variability. Pupils analyze census data on the percentage of homes in each state that have Internet access. They take random samples of different sample sizes, determine the sample means, and then consider how sample size affects the sampling variability.

Concepts

dot plot, mean, population, random sampling, sample size

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Additional Tags

math

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Instructional Ideas

• Have groups use different sample sizes and then compare results with the class
  

Classroom Considerations

• Learners should be familiar with how to construct dot plots
• Prior experience with random sampling is beneficial
  

Pros

• Provides cards to use in the activity
• Includes student worksheets and sample responses
  

Cons

• None

Common Core

MP4 MP6 MP7 7.SP.A.1 7.SP.A.2