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 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) + - RESTRAINT + + CHECK STANDARD + - DEGREES OF FREEDOM = 6 SOLUTION MATRIX DIVISOR = 10 OBSERVATIONS 3 2 1 1 1 Y(1) 0 -2 -2 0 0 Y(2) 3 0 1 -1 1 Y(3) 3 0 1 1 -1 Y(4) 4 2 0 0 0 Y(5) 1 2 -1 -1 1 Y(6) 1 2 -1 1 -1 Y(7) 4 4 2 0 0 Y(8) 3 2 3 -1 1 Y(9) 3 2 3 1 -1 Y(10) 0 0 0 2 -2 R* 15 10 5 5 5 R* = Average value of two reference standards FACTORS FOR REPEATABILITY STANDARD DEVIATIONS WT K1 3 2 1 1 1 3 0.8367 + 2 0.6325 + 1 0.5477 + 1 0.3162 + 1 0.3162 + 5 1.3784 + + 6 1.7889 + + + 0 0.6325 + - FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS WT K2 3 2 1 1 1 3 2.3452 + 2 1.7321 + 1 1.2247 + 1 0.7071 + 1 0.7071 + 5 3.8079 + + 6 4.5826 + + + 0 1.4142 + - |