Phase Example

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Quality and Process Methods • Shewhart Control Charts • Additional Examples of the Control Chart Platform • Phase Example

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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).

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

Select Analyze > Quality and Process > Control Chart > XBar.

Select DIAMETER and click Process.

Select DAY and click Sample Label.

Select Phase and click Phase.

Select S and XBar.

Click OK.

The resulting chart has different limits for each phase.

Figure 3.28 Phase Control Chart

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Help created on 10/11/2018