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 + |