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Math Help - asd

  1. #1
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    Mauritius
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    asd

    Question
    The following are average weakly losses of worker-hours due to accidents in 10 industrial plants before and after a certain safety program was put in operation :

    Before : 45 73 46 124 33 57 83 34 26 17
    After : 36 60 44 119 35 51 77 29 24 11

    Use the 0.05 level significance to test whether the safety program is effective .
    Last edited by zorro; December 2nd 2009 at 05:59 PM.
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