ASQ
CSSGB · Question #38
Use Minitab to construct an X and R-chart from this data set. Is the process stable? If no, at what times is it unstable? Answer: No, when 9:30am, 10:15am, 10:30am, 3:15pm and 4:00pm.
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Control Phase
Question
Use Minitab to construct an X and R-chart from this data set. Is the process stable? If no, at what times is it unstable? Answer:
No, when 9:30am, 10:15am, 10:30am, 3:15pm and 4:00pm.
Options
- ANo, when 9:30am, 10:15am, 10:30am, 3:15pm and 4:00pm.
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Topics
#X-bar R chart#process stability#control chart analysis#special cause variation