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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 1,1,1,1,1,1
OBSERVATIONS 1 1 1 1 1 1
X(1) + -
X(2) + -
X(3) + -
X(4) + -
X(5) + -
X(6) + -
X(7) + -
X(8) + -
X(9) + -
X(10) + -
X(11) + -
X(12) + -
X(13) + -
X(14) + -
X(15) + -
RESTRAINT + +
CHECK STANDARD +
DEGREES OF FREEDOM = 10
SOLUTION MATRIX
DIVISOR = 8
OBSERVATIONS 1 1 1 1 1 1
Y(1) 1 -1 0 0 0 0
Y(2) 1 0 -1 0 0 0
Y(3) 1 0 0 -1 0 0
Y(4) 1 0 0 0 -1 0
Y(5) 2 1 1 1 1 0
Y(6) 0 1 -1 0 0 0
Y(7) 0 1 0 -1 0 0
Y(8) 0 1 0 0 -1 0
Y(9) 1 2 1 1 1 0
Y(10) 0 0 1 -1 0 0
Y(11) 0 0 1 0 -1 0
Y(12) 1 1 2 1 1 0
Y(13) 0 0 0 1 -1 0
Y(14) 1 1 1 2 1 0
Y(15) 1 1 1 1 2 0
R* 6 6 6 6 6 6
R* = sum of two reference standards
FACTORS FOR COMPUTING REPEATABILITY STANDARD DEVIATIONS
WT FACTOR
1 1 1 1 1 1
1 0.2887 +
1 0.2887 +
1 0.5000 +
1 0.5000 +
1 0.5000 +
1 0.5000 +
2 0.8165 + +
3 1.1180 + + +
4 1.4142 + + + +
1 0.5000 +
FACTORS FOR COMPUTING BETWEEN-DAY STANDARD DEVIATIONS
WT FACTOR
1 1 1 1 1 1
1 0.7071 +
1 0.7071 +
1 1.2247 +
1 1.2247 +
1 1.2247 +
1 1.2247 +
2 2.0000 + +
3 2.7386 + + +
4 3.4641 + + + +
1 1.2247 +
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