This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostats, Subject name: Social & Preventive Medicine
[{'content': 'Study is done on a group of children to check Seasonal variation of Sudden infant death syndrome (SIDS) in summer season from June to July, and from August to September in another group with similar characteristics from same area. Which test is used to compare the data? \nSelect and explain. \nA. Chi Square test, B. Paired T test, C. Wilcoxon Rank test, D. ANOVA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Seasonal variation is a qualitative variable. We are studying 2 different groups so the appropriate statistical test here would be Chi Square test.', 'role': 'assistant'}]