38
To calculate mean of a grouped data, Rahul used assumed mean method. He used $d = (x - A)$, where A is assumed mean. Then $\bar{x}$ is equal to
- (a)$A + \bar{d}$
- (b)$A + h\bar{d}$
- (c)$h(A + \bar{d})$
- (d)$A - h\bar{d}$
Show SolutionHide Solution↓
Ans: (A) $A + \bar{d}$