ASQ
CSSBB · Question #139
An x-bar control chart has been established with control limits of 3.245 and 3.257, n = 5. An engineer collects the following sample and plots the average on the control chart: 3.257, 3,256, 3. 258…
The correct answer is C. the engineer misused the control chart. You've hit your weekly limit · resets 5am (America/New_York)
Control Phase
Question
An x-bar control chart has been established with control limits of 3.245 and 3.257, n = 5. An engineer collects the following sample and plots the average on the control chart: 3.257, 3,256, 3. 258, 3.259
Options
- Athe process is out of control
- Bthe process is not out of control
- Cthe engineer misused the control chart
- Dthe control limits are incorrect
How the community answered
(57 responses)- A4% (2)
- B12% (7)
- C79% (45)
- D5% (3)
Explanation
You've hit your weekly limit · resets 5am (America/New_York)
Topics
#x-bar chart#subgroup size#control chart misuse#SPC
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