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Find the mean deviation by short cut method. |
Answer» SOLUTION : Let `a=45, h=10` Arithmetic MEAN `BARX=a+(sumf_(i)(u_(i)))/(sumf_(i))xxh` `=45+0/40xx10=45` Mean deviation `=(sumf_(i)|x_(i)-barx|)/(sumf_(i))` `=400/40=10` |
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