The mean deviation (approximately) from the mode for the data, is 20, 25, 30, 18, 15, 40

The mean deviation (approximately) from the mode for the data, is 20, 25, 30, 18, 15, 40

  1. A

    6.71

  2. B

    4.52

  3. C

    7.61

  4. D

    5.33

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    Solution:

    We have,

    Mean =20+25+30+18+15+406=1486

    Median =20+252=452

     Mode = 3 Median -2 Mean =13521483=1096

    Hence, mean deviation about mode is given by 

    201096+251096+301096+181096+151096+4010966 M.D. =11+41+71+1+19+13136=27436=7.61 

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