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The scores of a batsman in `10` innings are `70, 38, 34, 48, 55, 42, 63, 46, 54, 44`. The mean deviation about medium is -A. `7.6`B. `8.6`C. `8.2`D. `8.4` |
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Answer» Correct Answer - B Median `34, 38, 42, 44, 46, 48, 54, 55, 63, 70` `:.` Median `(46 + 48)/(2) = 47` Hence `sum|"xi"-M_(d)| = sum|"xi"-47| = 86` `:. M.D(M_(2)) = (sum|"xi"-M_(d)|)/(N)` `= (86)/(10)` `= 8.6` |
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