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The Statistical Foundation Cracks in the Popular Gauge R&R Method 2.0

Describes why the popular (AIAG) Gauge R&R method is flawed and presents practical alternatives

  1. Bev D
    The popular Gauge R&R method is built upon serious mathematical and statistical errors. It also relies primarily on summary tables instead of informative graphics (even the popular Minitab report which valiantly attempts to overcome the lack of data visualization falls short). This results in too many people performing a R&R study and then asking "Now what do I do?" or "What does it mean?"
    This brief paper attempts to describe the flaws and present practical graphical alternatives. The paper provides links and references to more detailed 'officially' published articles.

    A companion Spreadsheet (MSA Tools) has been uploaded separately.