2. Measurement Process Characterization
2.3. Calibration
2.3.4. Catalog of calibration designs
2.3.4.1. Mass weights

2.3.4.1.19.

Design for 1,1,1 Increasing Weights

1,1,1 design for increasing weights


 OBSERVATIONS   1   1   1


     Y(1)       +   -
     Y(2)       +       -
     Y(3)           +   -
     Y(4)           -   +
     Y(5)       -       +
     Y(6)       -   +


 RESTRAINT              +
                            
                               
 CHECK STANDARD     +


 DEGREES OF FREEDOM  =  4



                   SOLUTION MATRIX
                     DIVISOR  =  6

 OBSERVATIONS      1      1      1


    Y(1)           1     -1      0
    Y(2)           2      1      0
    Y(3)           1      2      0
    Y(4)          -1     -2      0
    Y(5)          -2     -1      0
    Y(6)          -1      1      0
    R*             6      6      6  

    R* = value of reference standard



 FACTORS FOR REPEATABILITY STANDARD DEVIATIONS
 WT    K1
               1   1   1
  1  0.5774    +
  1  0.5774        +
  1  0.0000            +
  1  0.5774        +      


FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS
 WT    K2
               1   1   1
  1  1.4142    +
  1  1.4142        +
  1  0.0000            +
  1  1.4142        +      

Explanation of notation and interpretation of tables