Class 10 Mathematics - Statistics - Mean Of Grouped Data - Assumed Mean Method Video by Lets Tute

While finding the mean by direct method, it may happen that the numbers in the columns come out to be very large which becomes tedious to calculate the value. So we use Assumed Mean Method to calculate theh mean of such data.

It will give you same information if calculated by using direct method, the only importance of this method is that it reduces time and makes the process less tedious.