This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Statistical Graphs, Correlation, Locations, Subject name: Social & Preventive Medicine
[{'content': 'Height and weight correlation is best represented by:- \nSelect and explain. \nA. Line cha, B. Scatter diagram, C. Histogram, D. Pie cha', 'role': 'user'}, {'content': "Answer: B \nExplanation: Height & weight are quantitative / continuous variables. Correlation is relationship between 2 quantitative or continuous variables. Correlation is represented by: 'Scatter diagram'/ DOT diagram. - Thus, correlation b/w height & weight is depicted by scattered / Dot diagram.", 'role': 'assistant'}]