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 best method to show the association between height and weight of children in a class is by \nSelect and explain. \nA. Bar cha, B. Line diagram, C. Scatter diagram, D. Histogram', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Scatter diagram o Scatter diagram is used for analyzing the relationship between two variables e.g., height and weight.", 'role': 'assistant'}]