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2. Measurement Process Characterization 2.3. Calibration 2.3.4. Catalog of calibration designs 2.3.4.1. Mass weights 2.3.4.1.21. Design for 5,3,2,1,1 weights=-1> =-1> |
OBSERVATIONS 5 3 2 1 1
Y(1) + - - + -
Y(2) + - - - +
Y(3) + - -
Y(4) + - - -
Y(5) + - -
Y(6) + - -
Y(7) + - -
Y(8) + -
RESTRAINT + +
CHECK STANDARD + -
DEGREES OF FREEDOM = 4
SOLUTION MATRIX
DIVISOR = 14
OBSERVATIONS 5 3 2 1 1
Y(1) 0 -2 -2 2 -2
Y(2) 0 -2 -2 -2 2
Y(3) 0 -2 -2 0 0
Y(4) 14 6 6 0 0
Y(5) 7 7 0 -1 1
Y(6) 7 7 0 1 -1
Y(7) 14 8 8 0 0
Y(8) 0 0 0 2 -2
R* 35 21 14 7 7
R* = Average value of reference weights
FACTORS FOR REPEATABILITY STANDARD DEVIATIONS
WT K1
5 3 2 1 1
5 1.5811 +
3 1.0351 +
2 0.7559 +
1 0.2673 +
1 0.2673 +
5 1.6690 + +
10 3.2071 + + +
0 0.5345 + -
FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS
WT K2
5 3 2 1 1
5 3.6742 +
3 2.3452 +
2 1.7321 +
1 0.7071 +
1 0.7071 +
5 3.8079 + +
10 7.2801 + + +
0 1.4142 + -
Explanation of notation and interpretation of tables