DPMO stands for 'Defects
Per Million Opportunities'. 'Opportunity'
means the opportunity for a defect, one
unit may have many opportunities for a defect.
DPMO is a Six
Sigma Metric. Six
Sigma process improvement projects
aim to achieve 3.4 or fewer Defects Per
Million Opportunities. Using DPMO, rather
than the proportion of defective items,
gives a common standard that can be usedto
compare the defect rates of simple and complex