Question

find the class mark of the class 11-15?​

Answer 1

The class mark of class 11-15is
13

Answer 2

QUESTION--- How do you find the class mark in statistics?

ANSWER---The number in the middle of the class. It is found by adding the upper and lower limits and dividing by two. It can also be found by adding the upper and lower boundaries and dividing by two. The number of values less than the upper class boundary for the current class.

So answer is 13....