Six Sigma SPC - Statistical Process Control

Six Sigma SPC's Quality Control Dictionary and Glossary
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A unit that has one or multiple defects. Commonly confused with defect. (for additional detail on process improvements and six sigma applications, see the defect page).

An example could be a screw that is too long and has the wrong thread size. The screw itself is a defect with 2 defectives.

For more information see control charts, control plans, DPO, (Defects per Opportunity), LTPD, (Lot tolerance percent defective), and proportion defective.

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Last Updated: Wednesday, 15-Mar-06 07:43:14 PST