Defects %

Definition

The total number of defects counted on the population in question divided by the total population count.

Formula

Use Case / Interpretation

Defects are parts that do not conform to specifications as discovered by the end user. The objective is to first minimize post-delivery and in-plant defects. This ratio is a measure of defects produced. This measurement considers the various components manufactured by the facility. The ratio can easily relate to 3 sigma and 6 sigma quality. 3 sigma quality indicates a defect rate of 2700 PPM and 6 sigma quality indicates a defect rate of approximately quality indicates a defect rate of approxima

Tags

population

Metadata

Category: VRM Process Performance · Added: May 17, 2026