QA Fundamentals · Middle · Question 30 of 75
What is defect removal efficiency (DRE)?
- 1The number of defects a tester closes per day
- 2The time it takes developers to fix one defect
- 3Defects found before release divided by all defects found
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Correct answer: Defects found before release divided by all defects found
Explanation
If 90 bugs were found before release and 10 after, DRE is 90 / 100 = 90%. Trends matter more than a single number.