This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': "TRUE regarding chi square test is - \nSelect and explain. \nA. Null hypothesis is equal, B. Dosen't test the significance, C. Measures the significance of difference between two proportion, D. Tests correlation and regression", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]