DPU is a metric used in
projects, it stands for 'Defects Per Unit'.
It is the average number of defects per
unit based on processing a number of units.
Suppose you observe 100 units being made.
Five fail, four are reworked, and one is
scrapped. The DPU is 0.05.
Refer to Six
Sigma Metrics for other measures
used in Six Sigma projects.