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Author Question: Up to three standard deviations above or below the centerline is the amount of variation that ... (Read 68 times)

gbarreiro

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Question 1

For an x-bar chart where the standard deviation is known, the Upper Control Limit
◦ is 3 . σ below the mean of sample means for a 3σ control chart.
◦ is 3 . σ above the mean of sample means for a 3σ control chart.
◦ is 3 . σ/ above the mean of sample means for a 3σ control chart.
◦ is 3 . σ/ below the mean of sample means for a 3σ control chart.
◦ Cannot be calculated unless the average range is known.

Question 2

Up to three standard deviations above or below the centerline is the amount of variation that statistical process control allows for
◦ all types of variation.
◦ natural variation.
◦ Type I errors.
◦ about 95.5% variation.
◦ assignable variation.


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Marked as best answer by gbarreiro on Dec 3, 2019

recede

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gbarreiro

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Reply 2 on: Dec 3, 2019
YES! Correct, THANKS for helping me on my review


CAPTAINAMERICA

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Reply 3 on: Yesterday
Excellent

 

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