Phase Example

Open Diameter.jmp, found in the Quality Control sample data folder. This data set contains the diameters taken for each day, both with the first prototype (phase 1) and the second prototype (phase 2).

1. Select Help > Sample Data Library and open Quality Control/Diameter.jmp.

2. Select Analyze > Quality and Process > Legacy Control Charts > XBar.

3. Select DIAMETER and click Process.

4. Select DAY and click Sample Label.

5. Select Phase and click Phase.

6. Select S and XBar.

7. Click OK.

The resulting chart has different limits for each phase.

Figure 12.30 Phase Control Chart 

Want more information? Have questions? Get answers in the JMP User Community (community.jmp.com).