Enter your data for T²-Generalized Variance Chart

Stat > Control Charts > Multivariate Charts > T<sup>2</sup>-Generalized Variance

For T2-Generalized Variance chart, all the measurements for each variable must be in a separate column.

  1. In Variables, enter the columns of measurement data.
  2. In Subgroup sizes, do one of the following:
    • If all subgroups are the same size, enter the subgroup size (for example, 5).
    • Enter a column of values that identifies which subgroup each measurement is from.
In this worksheet, Variable 1 and Variable 2 contains the measurement data. Subgroup identifies which subgroup each measurement is from.
C1-T C2 C2
Subgroup Variable 1 Variable 2
One 10 25
One 13 22
One 10 26
Two 8 24
Two 8 23
Two 9 28
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