Answer / srinivas poodari

The difference of the defects which are found by the
testing people and custemer side people.

Answer / ns reddy

DRE=0-1(Range).
DRE=A/A+B
DRE = Defect Removal Efficiency.
A = Defects found by the Testing Team. . 
B = Defects raised by the Customer. 
DRE=80/80+20=80/100=4/5=0.8 (Good Software).
GOOD SOFTWARE :0.7-1
POOR SOFTWARE  :Below 0.7

Answer / kris

The DRE is the percentage of defects that have been removed
during an activity, computed with the equation below. The
DRE can also be computed for each software development
activity and plotted on a bar graph to show the relative
defect removal efficiencies for each activity. Or, the DRE
may be computed for a specific task or technique (e.g.,
design inspection, code walkthrough, unit test, 6 month
operation, etc.). [SQE]
Number Defects Removed
DRE = –—————————————————— * 100
Number Defects At Start Of Process

DRE=A/A+B = 0.8

A = Testing Team ( Defects by testing team )
B = customer ( " " customer )

if dre <=0.8 then good product otherwise not.

ok, bye....

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