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Math Help - Mean Medians

  1. #1
    Member GAdams's Avatar
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    Mean Medians

    A factory uses 2 machines to fill cartons with washing powder.
    The cartons are labelled 'minimum contents 1.5kg'.
    The mean mass delivered per carton by each machine is 1.515kg.
    The median for machine A is 1.510kg, for machine B is 1.520kg.
    Checks show that some cartons contain less than 1.5kg.
    Which machine is likely to have filled them? Explain you reasoning.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by GAdams View Post
    A factory uses 2 machines to fill cartons with washing powder.
    The cartons are labelled 'minimum contents 1.5kg'.
    The mean mass delivered per carton by each machine is 1.515kg.
    The median for machine A is 1.510kg, for machine B is 1.520kg.
    Checks show that some cartons contain less than 1.5kg.
    Which machine is likely to have filled them? Explain you reasoning.
    There is not enough information to say either way without some additional
    assumptions.

    RonL
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  3. #3
    Member GAdams's Avatar
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    That's how it came on the past exam paper
    Attached Thumbnails Attached Thumbnails Mean Medians-mean-medians.jpg  
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