Page 294 - Lean six sigma demystified

272 Lean Six Sigma DemystifieD

Quiz

1. What does it mean that a process is stable or in control?

2. What does it mean that a process is capable?

3. In Six Sigma, what is the purpose of SPC?

4. What are control charts?

5. How are control charts used?

6. What is a process control system?
A. Suppliers, inputs, process, and outputs
B. Control charts of performance
C. corrective actions
D. Rework
E. All of the above

7. How does deviation affect results?
A. Too big
B. Too small
C. Too long
D. Too short
E. Any of the above

8. How can stability analysis tell if a problem involves special or common cause
variation?
A. Special causes are statistically abnormalities.
B. Special causes are shown in red in the QI Macros.

C. The rest is common cause variation.
D. All of the above
9. A process in statistical control is
A. stable.
B. predictable.
C. capable.
D. A and B.
E. A and C.