Which of the following is NOT a step in the Six Sigma DMAIC process?

a) Measure: collect data to find out why, how, and how often the defect occurs.

b)Adapt: adapt the different approaches in order to avoid goal conflicts.

c) Define: define what constitutes a defect.

d) Control: teach new and existing employees the best-practice technique to improve significantly customer satisfaction and business.

e) Improve: implement the documented best practice as a standard way