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 -a)  Meanb)  Medianc)  Moded)  Variancee) Range 
Select and explain. 
A. ab, B. bc, C. abc, D. bcd
C: abc
Answer: C: abc 
Explanation: Statistical averages 

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.
The commonly used statistical averages are -


Arithmetic mean (or mean)
Median
The mode