Have a look at the discussion forum on iSixSigma.com as well. The general consensus is that Six Sigma will only be successful in a company that currently has processes in place.
If processes are in place, then these must be measured and improved. Steer clear of some opinions of applying Six Sigma to the actual software. The number of defects can not be determined because an application has known as well as unknown bugs.
Have a look at the discussion forum on iSixSigma.com as well. The general consensus is that Six Sigma will only be successful in a company that currently has processes in place. If processes are in place, then these must be measured and improved. Steer clear of some opinions of applying Six Sigma to the actual software. The number of defects can not be determined because an application has known as well as unknown bugs.