What measure of central tendency is also called as average?

(a)  

It is a type of stage performance that portrays the clash between Muslims and Christians.

(a)  

A colorful folk religious festival during holy week with Roman costumes and painted masks replicating the clothes of biblical Roman soldiers is (a)   .

What is the median of the scores 3,5,6,8,10,11,14,15?

(a)