Repeatability as a component of gage R & R is due largely to. (1) Person to person variation. (2) Piece to piece variation. (3) Measurement instrument variation. (4) Environmental variation.
Gage Repeatability and Reproducibility (Gage R & R) is a methodology used to define the amount of variation in the measurement data due to the measurement system. It then compares measurement variation to the total variability observed, consequently defining the capability of the measurement system. Measurement variation consists of two important factors, repeatability and reproducibility. Repeatability is due to equipment variation and reproducibility is due to inspector or operator variation.
Option (3) Measurement instrument variation
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