2.
Measurement Process Characterization
2.3. Calibration 2.3.4. Catalog of calibration designs 2.3.4.1. Mass weights
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OBSERVATIONS 5 3 2 1 1 1 Y(1) + - - + - Y(2) + - - + - Y(3) + - - - + Y(4) + - - Y(5) + - - - - Y(6) + - + - - Y(7) + - - + - Y(8) + - - - + Y(9) + - - Y(10) + - - Y(11) + - - RESTRAINT + + + CHECK STANDARD + DEGREES OF FREEDOM = 6 SOLUTION MATRIX DIVISOR = 920 OBSERVATIONS 5 3 2 1 1 1 Y(1) 100 -68 -32 119 -111 4 Y(2) 100 -68 -32 4 119 -111 Y(3) 100 -68 -32 -111 4 119 Y(4) 100 -68 -32 4 4 4 Y(5) 60 -4 -56 -108 -108 -108 Y(6) -20 124 -104 128 -102 -102 Y(7) -20 124 -104 -102 128 -102 Y(8) -20 124 -104 -102 -102 128 Y(9) -20 -60 80 -125 -125 -10 Y(10) -20 -60 80 -125 -10 -125 Y(11) -20 -60 80 -10 -125 -125 R* 460 276 184 92 92 92 R* = sum of the three reference standards FACTORS FOR REPEATABILITY STANDARD DEVIATIONS WT FACTOR 5 3 2 1 1 1 5 0.2331 + 3 0.2985 + 2 0.2638 + 1 0.3551 + 1 0.3551 + 1 0.3551 + 2 0.5043 + + 3 0.6203 + + + 1 0.3551 + FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS WT FACTOR 5 3 2 1 1 1 5 0.8660 + 3 0.8185 + 2 0.8485 + 1 1.0149 + 1 1.0149 + 1 1.0149 + 2 1.4560 + + 3 1.8083 + + + 1 1.0149 + |