To calculate mean of a grouped data, Rahul used assumed mean method. He used d = (x - A) , where A is assumed mean.…
CBSE Class 10 Maths PYQ · Statistics · Find Mean, median, mode · 1 Mark · March 2025 · Basic
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361 Mark · March 2025 · Basic
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)$A - h\bar{d}$
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