Random Variables vs. Algebraic Variables

Variables can vary in meaning. A reference material for AP® Statistics explains the difference between random and algebraic variables. It provides a hypothetical situation involving dice—great for use in a classroom situation.

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CCSS: Adaptable
Instructional Ideas

  • Have learners design and perform an experiment like the one in the resource
  • Get the class to create graphic organizers comparing random and algebraic variables
Classroom Considerations

  • Pupils should be familiar with probability distributions
Pros

  • Includes a The Challenge for Students section that describes why learners find the concept difficult
  • Thorough explanations help students follow along
Cons

  • None
Common Core