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Difficult Challenge for Darth or Stan?

Six Sigma – iSixSigma Forums Old Forums General Difficult Challenge for Darth or Stan?

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  • #45969

    Idiotin math.
    Participant

    A photography developing  machine uses ink  to  produce photographs.A sample  of  15  pictures,showed an  average of  1.5 mL of  ink used  per picture,with  a  SD  of .075 mL.Develop a  99% confidence band,for  the  actual average  amount of  ink used by  the  machine to  produce each  photograph?

    0
    #151204

    Sleepy Head
    Member

    Sleepy head is finally weaking up … However, the questions become montonously biased towards questions about probability and distributions …

    0
    #151205

    accrington
    Participant

    That’s because he hasn’t got past the first chapter of his Statsitics for Dummies book.
    In fact, he hasn’t even finished colouring in the pictures!

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    #151217

    Idiotin math.
    Participant

    Try  first to  answer  your simple  quiz  before  jumping to a  higher  level.Don’t  give excuses?I  can  read  your  mind:be  brave and  take  the  challange??

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Viewing 4 posts - 1 through 4 (of 4 total)

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