This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
[{'content': 'In normal distribution curve, which have same value- \nSelect and explain. \nA. SD and mean, B. SD and Mode, C. Mode and Mean, D. SD and Median', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref: Parks 23rd edition pg 849. The standard normal curve is a smooth, bell-shaped curve, perfectly symmetrical curve based on an infinitely large number of observations. Total area of the curve is 1. Mean=0 Standard detion is 1 . The mean, median and mode all coincide.', 'role': 'assistant'}]