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includes measures taken to protect and preserve the improvements to
the process.
Depending on how important the process is to the value proposition,
sometimes the DMAIC is a cycle that continues. For Tracy Scott in
Chapter10, reducing his blood sugar variability is an activity that he will
be engaged in for his lifetime. For some companies, continually improv-
ing the taste of a product will be an ongoing endeavor. For other, large
companies, Six Sigma projects are constantly being proposed through-
out the entire organization. Return on investment (ROI) estimations are
submitted with these proposals and help determi ...