Mathematical Problems in Engineering / 2017 / Article / Tab 3

Research Article

Assessment of the Adequacy of Gauge Repeatability and Reproducibility Study Using a Monte Carlo Simulation

Table 3

Variance components, performance metrics, and their decision criteria of the crossed design and the nested design.

ComponentsEquationCrossed designNested designCriteria


Performance metric% Study Variation≤10% acceptable
10~30% pending
>30% unacceptable
% Contribution≤1% acceptable
1~9% pending
>9% unacceptable
% Tolerance≤10% acceptable
10~30% pending
>30% unacceptable
Number of distinct category (NDC)≥5 acceptable
<5 unacceptable

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