Which of the following statements about the upper and lower control limits of a control chart...

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Operations Management

Which of the following statements about the upper and lowercontrol limits of a control chart is true?

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The upper and lower control limits for a p chart depend on thesample size.

The lower control limit of a p chart will ALWAYS be a negativevalue.

The upper control limit of an X-bar chart does NOT depend on theaverage range R-bar.

The upper and lower control limits of an R chart are always theSAME distance from R-bar.

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Answer The option which is true is The upper and lower control limits for a p chart depend on the sample size Because UCL p bar3 LCL p bar3 p bar is mean or average of the proportions n is Sample size Standard Deviation p bar 1 p barn UCL and LCL are    See Answer
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