Defect Distribution
This guideline describes how to measure the defect distribution.
Main Description

Overview

This metric indicates the quality of the system, based on the number of defects found and according to severity of the defects. This metric is useful when grouping defects by component to determine whether any particular component has quality issues or when grouping them by pre-shipment and post-shipment defects to determine the quality of the system before and after the product has been shipped. 

Measurement Method

  • Number of defects by severity. The rating of the severity of defects depends on the organization standard, such as high, medium, and low severity.

        or

  • Number of defects by pre-shipment and post-shipment reports.

The following graph shows an example of a defect distribution be severity report.

Defect Distribution

More Information