हिंदी

If for certain frequency distribution, Median = 156 and Mode = 180, Find the value of the Mean. - Algebra

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प्रश्न

If for certain frequency distribution, Median = 156 and Mode = 180, Find the value of the Mean. 

योग
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उत्तर

Mean - Mode = 3 (Mean - Median)

 ∴ Mean - 180 = 3 (Mean - 156) 

 ∴ Mean - 180 = 3 Mean - 468

    ∴ 468 - 180 = 3 Mean- Mean

            ∴ 288 = 2 Mean

          ∴`288/2` = Mean  

        ∴ Mean  = 144

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2014-2015 (July)

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