41 - Chi-squared test for homogeneity
How do we compare the distribution of several groups for the same categorical variable?
Practice
Chapter 26 # 33, Read pages 627-632
Vocabulary
Two way table, Chi-squared component
Study Questions
- How does the chi-squared test for homogeneity compare with GOF?
- Does the sample size impact the degrees of freedom for a chi-squared test?
- Do the dimensions of the table impact the df for the chi-squared test?
- What conditions are necessary for chi-squred test for homogeneity?
Resources
- Slide Deck: 41-Chi-Squared-test-for-homogeneity.pdf