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Taguchi Signal to Noise ratio

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  • #53488

    Hylton
    Participant

    I was running a Minitab Taguchi Dynamic Analysis an the S/N chart has negative values. I’m trying to understand this phenom. The normal plot etc look wonderful. I guess I’m trying to understand if -27 is more robust than -22? Or vice versa.

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    #190352

    KKN
    Participant

    Signal to noise ratio is just that, the strength of a signal divided by the strength of the associated noise. The the ratio is measured in an exponential scale. Hence, a -22 has more signal than a -27.

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