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Probability and Statistics

Chi-square test of independence

A chi-square test compares observed counts with counts expected under independence.

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Chapter 9: Comparing groups and categorical data6 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
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This lesson is part of the Probability and Statistics course.

Example plan3 lessons · 11 min

Two-proportion comparisons4 min
Chi-square test of independenceComparing groups and categorical data4 min
Sparse counts and exact testsComparing groups and categorical data3 min

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