1.
Select Help > Sample Data Library and open Companies.jmp.
2.
Select Tables > Summary.
3.
Select Type and Size Co and click Group.
4.
Figure 7.3 Creating a Summary Statistics Column from Within a Data Table
6.
Select the column that you want, click Statistics, and select the specific statistic that you want. For this example, select profit/emp and click Statistics, and then select Mean.
7.
Figure 7.4 Example of a Summary Table with a Summary Statistics Column

Help created on 7/12/2018