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': 'The data of distribution of moality in a specific geographical area in single year is depicted by ? \nSelect and explain. \nA. Scatter diagram, B. Line diagram, C. Pictogram, D. Histogram', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Histogram", 'role': 'assistant'}]