This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Measures of Central Tendency and Distribution, Subject name: Social & Preventive Medicine
In a normal distribution curve, the True statement is 
Select and explain. 
A. Mean = SD, B. Median=SD, C. Mean = 2 Median, D. Mean = Mode
D: Mean = Mode
Answer: D: Mean = Mode 
Explanation: Ans. is 'd' Mean = Mode The standard normal curve is a smooth bell shaped, perfectly symmetrical curveThe total area of the curve is 1. *Its mean is zero*Its standard deviation is 1 *The mean, median and mode all coincide. *