For 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.
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 |