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Precision

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Definition

A measure of the uniformity, or consistency of the measurement values. In a Gage R&R analysis the precision is evaluated in terms of two types of variation, Repeatability and Reproducibility.

Repeatability assesses whether the same appraiser can measure the same part/sample multiple times with the same measurement device and get the same value.

Reproducibility assesses whether different appraisers can measure the same part/sample with the same measurement device and get the same value.

See Also

Measurement System Analysis (MSA)
Gage R&R
Accuracy
Repeatability
Reproducibility