Chi-Square Test

Chi-Square Test

1. For association between 2 categorical variables

2. Distribution is positively skewed

3. Compare

   • Observed Frequencies
   • Expected Frequencies

4. Types

   • Goodness of Fit
   • Test of Independence

5. Requires

   • Random Sample
   • Independent Observation

6. Frequency should be

   • Significant
   • At least above 5
   • Categorical Counts

7. Can

   • Only be used on actual numbers
   • Not be used on
     • Percentage
     • Mean
     • Proportion