While calculating mean of a grouped frequency distribution using step deviation method u = x-a/h it was found that x =…

CBSE Class 10 Maths PYQ · Statistics · Find Mean, median, mode · 1 Mark · March 2026 · Basic

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431 Mark · March 2026 · Basic

While calculating mean of a grouped frequency distribution using step deviation method $u = \frac{x-a}{h}$ it was found that $\bar{x} = 62$, $a = 47.5$, $h = 5$. The value of $\bar{u}$ is:

(a)$3$
(b)$14.5$
(c)$2.9$
(d)$3.1$

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While calculating mean of a grouped frequency distribution using step deviation method u = x-a/h it was found that x =…

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