Example of using multiple variables with categorical scales
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Suppose you have conducted tests on the new and old formulations of a battery. You decide to create boxplots for two variables and, because you will use the same graph dialog box to create them, you panel the graphs to simplify comparison.

1    Open the worksheet BATTERIES.MTW.

2    Choose Graph > Boxplot.

3    Choose One Y – With Groups and click OK.

4    Under Graph variables, enter Cycles FlashRecov.

5    Under Categorical variables for grouping, enter Formulation.

6    Click Multiple Graphs.

7    Under Show Graph Variables, choose In separate panels on the same graph.

8    Click OK in each dialog box.

Graph window output