The Satterthwaite Formula for Degrees of Freedom in the Two-Sample t-Test

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Sample some statistics with Satterthwaite. Instructors of AP® Statistics read up on the Satterthwaite formula for degrees of freedom in the two-sample t-test. They see where it comes from and learn about the mathematics underpinning the formula.

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Instructional Ideas

  • Use the resource with an advanced class
Classroom Considerations

  • Scholars should be familiar with two-sample t-tests and chi-square distributions
  • Pupils must have knowledge of integration
Pros

  • Very detailed derivation
  • Organized presentation is easy to follow
Cons

  • None