This example uses the Socket sample data table, which includes measurements for the thickness of sockets. There has been an increase in the number of defects during production and you want to investigate why this is occurring. Use Control Chart Builder to investigate the variability in the data and the control of the process.
Select Help > Sample Data Library and open Quality Control/Socket
Select Analyze > Quality and Process > Control Chart Builder.
Drag Thickness to the Y zone.
Drag Hour to the Subgroup zone (at bottom).
Control Charts for Socket Thickness
Drag Cavity into the Phase zone.
Control Charts for Each Cavity

Help created on 9/19/2017