The last phase of Lean Six Sigma is Control (see Figure 5.1). This phase focuses on successfully passing the project to a functional owner and ensuring long-term sustainability of the improvements. There are three steps in the Control phase:
Step 13: Validate measurement system analysis on the Xs.
Step 14: Determine the process capability.
Step 15: Implement process control.
The main deliverables in this phase are:
• Assurance that the measurement system is adequate to detect differences in the performance of critical Xs
• Determination of whether project goals have been attained
• Development ...