Which test metric would be most useful in assessing the overall health and quality of a software product in production?
- Code coverage.
- Defect density.
- Number of open defects.
- Test pass rate.
"Defect density" is a metric that measures the number of defects identified in a component or system divided by the size of the component or system (typically measured in KLOC or function points). It provides a normalized view of the quality and helps in comparing different releases.
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