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': 'A Scatter diagram is drawn to study \nSelect and explain. \nA. Trend of a variable over a period of time, B. Frequency of occurrence of events, C. Relationship between two given variables, D. Mean & median values of the given data', 'role': 'user'}, {'content': 'Answer: C \nExplanation: SCATTER DIAGRAM\n• Also known as ‘Correlation diagram’ or ‘Dot diagram’\n• Is used to depict ‘correlation (relationship) between 2 quantitative variables’\n• The vertical axis in the scatter diagram: should be the dependent or the outcome variable\n• In a scatter diagram, 2 imaginary lines are drawn along the distribution of dots/scatter', 'role': 'assistant'}]