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Author Question: A manager wishes to build a 3-sigma range chart for a process. The sample size is five, the mean of ... (Read 144 times)

sabina

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Question 1

The usual purpose of an R-chart is to signal whether there has been a
◦ change in the percent defective in a sample.
◦ gain or loss in dispersion.
◦ change in sample size.
◦ change in the central tendency of the process output.
◦ change in the number of defects in a sample.

Question 2

A manager wishes to build a 3-sigma range chart for a process. The sample size is five, the mean of sample means is 16.01, and the average range is 5.3. From Table S6.1, the appropriate value of D3 is 0, and D4 is 2.115. The UCL and LCL for this range chart are
◦ 31.91 and 0.11.
◦ 11.2 and 0.
◦ 33.9 and 0.
◦ 6.3 and 0.
◦ 33.9 and 11.2.


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Marked as best answer by sabina on Dec 3, 2019

rosiehomeworddo

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sabina

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Reply 2 on: Dec 3, 2019
Thanks for the timely response, appreciate it


momolu

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Reply 3 on: Yesterday
Excellent

 

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