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': 'Which of the following is used to represent continuous (quantitative) data ? \nSelect and explain. \nA. Bar diagram, B. Pie cha, C. Histogram, D. Map diagram', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is `c' i.e., Histogram", 'role': 'assistant'}]