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2.
Measurement Process Characterization
2.3. Calibration 2.3.4. Catalog of calibration designs 2.3.4.1. Mass weights
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Design 2,1,1,1
OBSERVATIONS 2 1 1 1
Y(1) + - -
Y(2) + - -
Y(3) + - -
Y(4) + -
Y(5) + -
Y(6) + -
RESTRAINT +
CHECK STANDARD +
DEGREES OF FREEDOM = 3
SOLUTION MATRIX
DIVISOR = 4
OBSERVATIONS 2 1 1 1
Y(1) 0 -1 0 -1
Y(2) 0 0 -1 -1
Y(3) 0 -1 -1 0
Y(4) 0 1 0 -1
Y(5) 0 1 -1 0
Y(6) 0 0 1 -1
R* 4 2 2 2
R* = value of the reference standard
FACTORS FOR REPEATABILITY STANDARD DEVIATIONS
WT FACTOR
2 1 1 1
2 0.0000 +
1 0.5000 +
1 0.5000 +
1 0.5000 +
2 0.7071 + +
3 0.8660 + + +
1 0.5000 +
FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS
WT FACTOR
2 1 1 1
2 0.0000 +
1 1.1180 +
1 1.1180 +
1 1.1180 +
2 1.7321 + +
3 2.2913 + + +
1 1.1180 +
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