Publication date: 08/13/2020

U chart Example

The Shirts.jmp sample data table contains data concerning the number of defects found in a number of boxes of shirts.

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

2. Select Analyze > Quality and Process > Control Chart > U Control Chart.

3. Select # Defects and click Y.

4. Select Box and click Subgroup.

5. Click OK.

Figure 3.22 U chart of # Defects 

All of the points are within the control limits.

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