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ANAVAR method

To calculate the GRR and Cpc by using the ANAVAR method, the statistical analyses of the Fisher test are used:
Source variabilitySum of squaresDegree of freedomAverage of squaresF statistic
OperatorSSAa-1
PartsSSBb-1
Interaction (Operator/part)SSAB(a-1)(b-1)
InstrumentSSEab(n-1)
TotalTSSN-1
a =number of operators
b = number of parts
n = number of repetitions
N = total number of measurements = abn
The repeatability of the measurement system is given by:
The reproducibility of the measurement system is given by:
The interaction is given by:
The variability of the measurement system is given by
Final calculation:
and

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