Central tendency is given by -a)  Meanb)  Medianc)  Moded)  Variancee) Range: (A) ab, (B) bc, (C) abc, (D) bcd
Answer is C. 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