Social & Preventive Medicine All are true about Chi-Square test except A It is a 'non-parametric test' of significance B It is used to 'test significance of association between 2 or more qualitative characteristics' C Sample must be randomly selected D Lowest expected frequency should be less than 5 💡 Explanation All are true about Chi-Square test except ✓ Correct Answer: D. Lowest expected frequency should be less than 5