Six Sigma SPC's
Quality Control Dictionary and Glossary
2070 W. Washington St. #5 Springfield IL
62702 Ph: 217.698.0063
6 Sigma Statistical Process Control (SPC) Software for Windows
95/98/NT/2000/XP/ME
The portion of units that contain defects.
The number of defective units divided by the
total number of units measured then convert the results to a percentage.