Next Page Previous Page Home Tools & Aids Search Handbook
2. Measurement Process Characterization
2.3. Calibration
2.3.4. Catalog of calibration designs
2.3.4.1. Mass weights

2.3.4.1.10.

Design for 5,3,2,1,1,1



 OBSERVATIONS   5   3   2   1   1   1


     Y(1)       +   -   -   +   -
     Y(2)       +   -   -       +   -
     Y(3)       +   -   -   -       +
     Y(4)       +   -   -
     Y(5)       +       -   -   -   -
     Y(6)           +   -   +   -   -
     Y(7)           +   -   -   +   -
     Y(8)           +   -   -   -   +
     Y(9)               +   -   -
     Y(10)              +   -       -
     Y(11)              +       -   -


 RESTRAINT      +   +   +

 CHECK STANDARD                 +


 DEGREES OF FREEDOM  =   6


                             SOLUTION MATRIX
                              DIVISOR = 920

 OBSERVATIONS      5      3      2      1      1      1


    Y(1)         100    -68    -32    119   -111      4
    Y(2)         100    -68    -32      4    119   -111
    Y(3)         100    -68    -32   -111      4    119
    Y(4)         100    -68    -32      4      4      4
    Y(5)          60     -4    -56   -108   -108   -108
    Y(6)         -20    124   -104    128   -102   -102
    Y(7)         -20    124   -104   -102    128   -102
    Y(8)         -20    124   -104   -102   -102    128
    Y(9)         -20    -60     80   -125   -125    -10
    Y(10)        -20    -60     80   -125    -10   -125
    Y(11)        -20    -60     80    -10   -125   -125
    R*           460    276    184     92     92     92

    R* = sum of the three reference standards



 FACTORS FOR REPEATABILITY STANDARD DEVIATIONS
 WT  FACTOR
               5   3   2   1   1   1
  5  0.2331    +
  3  0.2985        +
  2  0.2638            +
  1  0.3551                +
  1  0.3551                    +
  1  0.3551                        +
  2  0.5043                +   +
  3  0.6203                +   +   +
  1  0.3551                    +

 FACTORS FOR BETWEEN-DAY STANDARD DEVIATIONS
 WT  FACTOR
               5   3   2   1   1   1
  5  0.8660    +
  3  0.8185        +
  2  0.8485            +
  1  1.0149                +
  1  1.0149                    +
  1  1.0149                        +
  2  1.4560                +   +
  3  1.8083                +   +   +
  1  1.0149                    +

Explanation of notation and interpretation of tables

Home Tools & Aids Search Handbook Previous Page Next Page