Quick Recap

In the previous few chapters, we learnt the following:
1. Data Collection & Sampling
2. Examining Process Stability
3. Process Capability Analysis &
4. Tollgate Review for the Measure Phase

Let us quickly recap what we learnt so far.
• A primary metric is the key Y of concern; a secondary metric is another Y that is positively affected by the primary Y; a consequential metric is another Y that