From: Applying statistical process control in small sized evolutionary projects: results and lessons learned in the implementation of CMMI-DEV maturity level 5 in Synapsis Brazil
Defect density
Productivity
Schedule
Defects/function point
% reduction
Man-hours/function Point
Improvement
% projects delayed
CMMI 2
0,65
-
13,5
45%
CMMI 3
0,38
42%
10,9
19%
20%
56%
CMMI 5
0,32
16%
9,3
15%
4%
80%