Enter your data for T²-Generalized Variance Chart

Stat > Control Charts > Multivariate Charts > T²-Generalized Variance

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

In Variables, enter the columns of measurement data.
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.