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
Central tendency is given by - 
Select and explain. 
A. Mean, B. Median, C. Mode, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. is 'a' i.e., Mean; 'b' i.e., Median & 'c' i.e., Mode Statistical averages o An average or central tendency of a data set refers to a measure of the middle or expected value of the data set. That means, average implies a value in the distribution around which the other value are distributed. It gives a mental picture of the central value. o The commonly used statistical averages are - i) Arithmetic mean (or mean) ii) Median iii) The mode