A test of homogeneity compares 5 populations on a categorical variable with 4 levels.
Degrees of freedom?
- A
20
- B
9
- Ccheck_circle
12
- D
16
Explanation
df = (r-1)(c-1) = (5-1)(4-1) = 12.
Setting Up a Chi-Square Test for Homogeneity or Independence
AP Statistics· difficulty 2/5
Want 10 more like this — adaptive to your weak spots?