Page 229 - Lean six sigma demystified

Chapter 5 Redu C ing d efe C t S with Six Sigm a 207

Quiz

1. What do the following acronyms stand for?
• dmaiC
• fiSh
• PdCa

2. The Six Sigma problem-solving process works best when you are focused on
A. increasing profits.
B. decreasing defects and deviation.

3. What is the correct order for these steps in the problem-solving process?
___ write a problem statement
___ Verify the root causes
___ draw a Pareto chart of types of problems
___ draw a histogram of variation
___ Select countermeasures
___ Verify the results
___ draw a control chart of current performance
___ do a cause-and-effect analysis using the fishbone diagram

4. Root cause analysis asks
A. what?
B. where?
C. when?
D. why?
E. how?

5. What are the tar pits of Six Sigma?
A. “Boiling the ocean” scope creep

B. Brainstorming problems to solve
C. No data
D. Doubting the data
E. Whalebone diagramming
F. Measuring teams and training, not results
G. All of the above

6. When you don’t have any data to analyze,
A. set up a measurement system.
B. give up.
C. use a check sheet to gather a representative sample.