What are the three primary activities used for quality control and improvement? Explain briefly. What is a
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- What are the three primary activities used for quality control and improvement? Explain briefly.
- What is a six-sigma process? Why should we reach 6 sigma level? Explain briefly.
- Suppose that your business is operating at the three-sigma quality level. If projects have an average improvement rate of 50% annually, how many years will it take to achieve six-sigma quality?
- Remembering that a stable system exhibits chance causes of variation, consider the control chart shown below. Does the pattern appear random? Why? Why not?
b. Consider the control chart shown below. Does the pattern appear random? Why? Why not?
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