In a frequency distribution, if all class intervals have equal width 'h', the variance in terms of step-deviations 'u' i...

Type: MCQ • Marks: 1

In a frequency distribution, if all class intervals have equal width 'h', the variance in terms of step-deviations 'u' is:

A. h * Var(u)

B. h^2 * Var(u)

C. Var(u)

D. Var(u) / h^2

Explanation

Since u = (x - A)/h => x = A + h*u. Therefore, Var(x) = h^2 * Var(u).

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UP TGT Mathematics

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