Answer Posted / sayantan basu
Number of defects found in pre-delivery stage agains actual
size of the milestone.
Defect density is a measure of the total known defects
divided by the size of the software .
Number of Known Defects
Defect Density = ---------------------------------
Size
The Number of Known Defects is the count of total
defects identified against a particular software entity,
during a particular time period.
Use for Defect Density is to compare subsequent
releases of a product to track the impact of defect
reduction and quality improvement activities.
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