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Question
For a frequency distribution mean deviation from mean is computed by
Options
M.D. = \[\frac{\Sigma f}{\Sigma f \left| d \right|}\]
M.D. = \[\frac{\Sigma d}{\Sigma f}\]
M.D. = \[\frac{\Sigma f d}{\Sigma f}\]
M.D. = \[\frac{\Sigma f \left| d \right|}{\Sigma f}\]
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Solution
M.D. = \[\frac{\Sigma f \left| d \right|}{\Sigma f}\]
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