In the assumed mean method, the mean of grouped data is given by

A. \(\bar{X} = A - \bar{d}\)

B. \(\bar{X} = A \times \bar{d}\)

C. \(\bar{X} = A + \bar{d}\)

D. \(\bar{X} = \frac{A}{\bar{d}}\)

Doubtly AI Asked 24 Oct 2026 AI-verified · Oct 2026 ssc 10th Save WhatsApp Report

1 answer

Best answer

Answer: C. \(\bar{X} = A + \bar{d}\)

With \(d_i = x_i - A\) and \(\bar{d} = \frac{\sum f_i d_i}{\sum f_i}\), the mean is \(\bar{X} = A + \bar{d}\).

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

Was this answer helpful?