" Assumed mean is taken in which method? "

If assumed mean is a then mean=………

Calculate the aritmetic mean by (a) assumed mean and (b) step deviation methods

Calculate the aritmetic mean by (a) assumed mean and (b) step deviation methods

Find the mean using direct method :

Find the mean using direct method :

Find the mean using direct method :

Find the mean using direct method :

Find the mean using direct method. :

Find the mean using direct method. :

Introduction || Revision OF 9th class Statistics || Simplified methods to calculate Mean || Direct method || Assumed mean method || Step-division method