Comparing X-mR and Xbar-R Control Charts

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Thanks so much for reading our publication. We hope you find it informative and useful. Happy charting and may the data always support your position.


Dr. Bill McNeese
BPI Consulting, LLC

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Comments (2)

  • EdwardAugust 30, 2021 Reply

    Another great one Billwould be interestbig to show the arl for each and compare to ooc points observed on the x-mr recollection says that what you found is not a surprise when compared against the predicted arl false alarm rate

    • billAugust 30, 2021 Reply

      Thanks Edward.  Yes good suggestion.   It would be interesting.  I have't looked much at ARL for Xbar-R charts but i should.

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