Question

How to find assumed mean ?

Answer 1

Count the number of frequencies available,say n. If it's odd number then (n+1)/2 th frequency is theassumed mean. If it's even, one can choose either (n/2) or (n/2)+1 th number as theassumed mean. In statistics the assumed mean is a method for calculating the arithmetic mean and standard deviation of a data set.

Hope it will help you.....

From Shivi.......

Answer 2

Answer:

choose the mid value of class mark