Chapter 7. Improve Phase of the DMAIC Model

CHAPTER OUTLINE

7.1 Purpose of Designed Experiments

7.2 Level of Process Knowledge

7.3 Some Flawed Experimental Designs

7.4 Two-Factor Factorial Designs

7.5 Example of a Designed Experiment

7.6 Avoid Potential Problems in the Xs

7.7 Conduct a Pilot Study

7.8 Example of a Pilot Study

7.9 Identify Actions Needed to Implement Optimized Process

7.10 Improve Phase Tollgate Review Checklist

LEARNING OBJECTIVES

After reading this chapter, you will be able to:

  • Design and analyze a simple experiment on the high-risk Xs to optimize the CTQ(s)

  • Avoid potential problems in the Xs

  • Conduct a pilot study of the optimized process (i.e., levels of the Xs that optimize the CTQ[s])

  • Identify the actions needed to implement the optimal levels ...

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