SQC Charting for Inspection
Inspection Type  Error
Select Process:
Inspection Date From: (mm/dd/yyyy)
Inspection Date To: (mm/dd/yyyy)
Or just select calendar year 
Select Type of SQC Chart  
Select Grouping Method:  
Report Output Type:


Percent Units Defective Chart (P)
Pavg =  Total Defective Units/Total Units Inspected
UCL, LCL = Pavg   3 * √( Pavg * (1-Pavg) / N   )  
Defects Per Unit (U)
Uavg =  Total Defects /Total Units Inspected
UCL, LCL = Uavg   3 * √( Uavg/ N   )  
  where N = avg sample size for static UCL and LCL