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What Is the Percentage of Defects in This Process?

Six Sigma – iSixSigma Forums General Forums Tools & Templates What Is the Percentage of Defects in This Process?

This topic contains 2 replies, has 3 voices, and was last updated by  Mike Carnell 3 months, 3 weeks ago.

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  • #235894

    mitragliar
    Participant

    You select 4 samples of 25 macarons each; the weight of each piece is measured. The mean is 22g; the standard deviation of the sample means is 1.5g.

    Knowing that a box of macarons contains 9 pieces, and that the average weight of macarons in the box should be at least 20g (no USL: the more the better), which is the percentage of defects in the process?

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    #235901

    Katie Barry
    Keymaster

    @mitragliar It looks like this is a homework question.

    The more details you provide, the more likely you are to get a response. What do YOU think you should do? Why or why not? The iSixSigma audience is helpful, but they like to see that someone is putting forth a good-faith effort; they are not here to do your work for you.

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    #235963

    Mike Carnell
    Participant

    @mitragliar You have a mean and Standard deviation and a one sided spec. That is enough to calculate a what?

    A defect would be what was less than the spec.

    • This reply was modified 3 months, 3 weeks ago by  Mike Carnell.
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