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

2.3.4.1.1.

Design for 1,1,1

Design 1,1,1

 OBSERVATIONS   1   1   1


     Y(1)       +   -
     Y(2)       +       -
     Y(3)           +   -



 RESTRAINT      +

 CHECK STANDARD     +


 DEGREES OF FREEDOM  =  1


                    SOLUTION MATRIX
                      DIVISOR  =  3

 OBSERVATIONS      1      1      1


    Y(1)           0     -2     -1
    Y(2)           0     -1     -2
    Y(3)           0      1     -1
    R*             3      3      3

    R* = value of reference weight


 FACTORS FOR REPEATABILITY STANDARD DEVIATIONS
 WT  FACTOR
               1   1   1
  1  0.0000    +
  1  0.8165        +
  1  0.8165            +
  2  1.4142        +   +
  1  0.8165        +

 FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS
 WT  FACTOR
               1   1   1
  1  0.0000    +
  1  1.4142        +
  1  1.4142            +
  2  2.4495        +   +
  1  1.4142        +

Explanation of notation and interpretation of tables