Quality and Process Methods • Variability Gauge Charts • Variability Gauge Platform Options • Discrimination Ratio

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Discrimination Ratio
The discrimination ratio characterizes the relative usefulness of a given measurement for a specific product. Generally, when the discrimination ratio is less than 2, the measurement cannot detect product variation, implying that the measurement process needs improvement. A discrimination ratio greater than 4 adequately detects unacceptable product variation, implying that the production process needs improvement.
See Statistical Details for the Discrimination Ratio for more information.

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Help created on 3/19/2020