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 2,2,1,1,1 OBSERVATIONS 2 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 = 275 OBSERVATIONS 2 2 1 1 1 Y(1) 47 -3 -44 66 11 Y(2) 25 -25 0 -55 55 Y(3) 3 -47 44 -11 -66 Y(4) 25 -25 0 0 0 Y(5) 29 4 -33 -33 22 Y(6) 29 4 -33 22 -33 Y(7) 7 -18 11 -44 -44 Y(8) 4 29 -33 -33 22 Y(9) 4 29 -33 22 -33 Y(10) -18 7 11 -44 -44 R* 110 110 55 55 55 R* = sum of three reference standards FACTORS FOR REPEATABILITY STANDARD DEVIATIONS WT FACTOR 2 2 1 1 1 2 0.2710 + 2 0.2710 + 1 0.3347 + 1 0.4382 + 1 0.4382 + 2 0.6066 + + 3 0.5367 + + + 1 0.4382 + FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS WT FACTOR 2 2 1 1 1 2 0.8246 + 2 0.8246 + 1 0.8485 + 1 1.0583 + 1 1.0583 + 2 1.5748 + + 3 1.6971 + + + 1 1.0583 + |