= ∑ f D N where | D | = | X – Median| by ignoring negative sign and N is total frequencies. (iii) Calculation of Mean Deviation- Continuous Series For calculating Mean deviation in continuous series we have to obtain the midpoints of the various classes and take the deviations of these mid points from mean or median. MD about Mean = f M N
📖 Samacheer Kalvi · 11th TN - English Medium · Business Maths · Page 197poem
= ∑ f D
Chapter 3: Chapter 8 · Business Maths
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