Which of the following statements is FALSE regarding control charts? X -bar char
ID: 3310737 • Letter: W
Question
Which of the following statements is FALSE regarding control charts?
X-bar charts measure central tendency in a process.
R-charts measure the variability of a process.
It is not possible to have a UCL value above 1 in a p-chart.
It is not possible to have a LCL below 0 in a c-chart.
The nominal line is always the midpoint between the UCL and LCL.
X-bar charts measure central tendency in a process.
R-charts measure the variability of a process.
It is not possible to have a UCL value above 1 in a p-chart.
It is not possible to have a LCL below 0 in a c-chart.
The nominal line is always the midpoint between the UCL and LCL.
Explanation / Answer
Answer: Option E. The nominal line is always the midpoint between the UCL and LCL.
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