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Xbar and s chart

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    Forum Contributor Bob@Sun's Avatar
    Join Date
    09-03-2009
    Location
    Montuak, Usa
    MS-Off Ver
    Excel 2007
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    438

    Xbar and s chart

    Hi guys,

    I need some help for building a control chart.

    In the sample file I have tried to build the Charts but I think that something is wrong.

    On the Standard Deviation chart I can't see on which day and for which sample there is an up normal value in the errors. (Assuming I am measuring errors on 5 samples)

    Can you please help me with that?
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