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Thread: sampling/probability/correlation?

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    Question sampling/probability/correlation?




    I have in my course this problem
    do you have any idea from people who work daily with stats ?

    the question is like that:
    the following data are available concerning the products of a firm taken at random from four factories, and classified according to level of quality:

    Factory A : from low to good : 9 - 22 - 69 total 100
    factory B : from low to good: 12 - 52 - 136 total 200
    Factory C : from low to good : 6 - 30 - 64 total 100
    Factory D : from low to good: 3 - 16 - 81 total 100

    Is there any evidence to suggest that the level of quality is significantly associated with particular factories ?

    evidence ??


    for me I will say that there is a correlation between qtty produce more we do more we tend to a curb but beside that nothing
    Last edited by logistiquecim; 05-09-2017 at 07:39 AM. Reason: get some help and clarification

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