- Change the modeling type for your Volume column to Ordinal
- Go to the pull down menu Analyze=>Tabulate
- Drag column Volume to the Drop zone for rows
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If you want the data in a data table, just click on the red triangle and select Make into Data Table
OR
- Go to pull down menu Tables=>Summary
- Select the Volume column from the Select Columns box and click on the Group button to add it to the Group selection
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- Click on OK
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I encourage you to take the time to read the Discovering JMP document under the Help pull down menu
Jim