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Probability and Statistics

Comparing groups and categorical data

Compare groups and analyze categorical outcomes using suitable tests and intervals.

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Where this chapter sits in the course

Lessons

Chapter 9 of 18 · 6 short lessons · 25 min
  1. 1Independent two-sample mean comparisons4 min
  2. 2Paired mean comparisons4 min
  3. 3Two-proportion comparisons4 min
  4. 4Chi-square test of independence4 min
  5. 5Sparse counts and exact tests3 min
  6. 6Challenge: Comparing groups and categorical data6 min

What you'll learn

  • Compare means and proportions across groups
  • Test categorical association and check assumptions

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