iSixSigma

THOTHATHRI

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  • #188206

    THOTHATHRI
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    its p value based on the alpha level of 5%p values decides statistical significance of test. P value 0.05 means fail to reject Ho.

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    #82009

    THOTHATHRI
    Member

    If the 36 Nos of data are taken continously, you can calculate the Ppk not Cpk.
    Ppk indicies tells Process capability which meat the specification on current situation.
    Cpk tells process capability continously over time.By removing some data its become normal, this abnormality may be due to measurement error.This data can be eliminated by using BOX PLOT in MINITAB.

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