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': 'If the coefficient of correlation between height and weight is 2.6, TRUE is - \nSelect and explain. \nA. Positive correlation, B. No association, C. Negative correlation, D. Calculation of the coefficient is wrong', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]