This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Statistical Tests, Subject name: Social & Preventive Medicine
[{'content': "All are true about Chi-Square test except \nSelect and explain. \nA. 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", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chi-Square test: It is a \'non-parametric test\' of significance. It is used to \'test significance of association between 2 or more qualitative characteristics\'. Sample must be randomly selected. Lowest expected frequency should be more than 5. The Fisher exact test tends to be employed instead of<a href=" test</a> when sample sizes are small.', 'role': 'assistant'}]