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 4 4 3 2 2 1 1 Y(1) + + - - - - - Y(2) + + - - - - - Y(3) + - - Y(4) + - - Y(5) + - - Y(6) + - - Y(7) + - - - Y(8) + - - - Y(9) + - - Y(10) + - - Y(11) + - - Y(12) + - - RESTRAINT + + CHECK STANDARD + - DEGREES OF FREEDOM = 5 SOLUTION MATRIX DIVISOR = 916 OBSERVATIONS 5 4 4 3 2 2 1 1 Y(1) 232 325 123 8 -37 135 -1 1 Y(2) 384 151 401 108 73 105 101 -101 Y(3) 432 84 308 236 168 204 -144 144 Y(4) 608 220 196 400 440 -120 408 -408 Y(5) 280 258 30 136 58 234 -246 246 Y(6) 24 -148 68 64 -296 164 -8 8 Y(7) -104 -122 -142 28 214 -558 -118 118 Y(8) -512 -354 -382 -144 -250 -598 18 -18 Y(9) 76 -87 139 -408 55 443 51 -51 Y(10) -128 26 -210 -36 -406 194 -110 110 Y(11) -76 87 -139 -508 -55 473 -51 51 Y(12) -300 -440 -392 116 36 -676 100 -100 R* 1224 696 720 516 476 120 508 408 R* = sum of the two reference standards (for going-up calibrations) FACTORS FOR REPEATABILITY STANDARD DEVIATIONS WT FACTOR 5 4 4 3 2 2 1 1 5 1.2095 + 4 0.8610 + 4 0.9246 + 3 0.9204 + 2 0.8456 + 2 1.4444 + 1 0.5975 + 1 0.5975 + 4 1.5818 + + 7 1.7620 + + + 11 2.5981 + + + + 15 3.3153 + + + + + 20 4.4809 + + + + + + 0 1.1950 + - FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS WT FACTOR 5 4 4 3 2 2 1 1 5 2.1380 + 4 1.4679 + 4 1.4952 + 3 1.2785 + 2 1.2410 + 2 1.0170 + 1 0.7113 + 1 0.7113 + 4 1.6872 + + 7 2.4387 + + + 11 3.4641 + + + + 15 4.4981 + + + + + 20 6.2893 + + + + + + 0 1.4226 + - |