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For an X-Bar Chart Where the Standard Deviation Is Known,the

Question 110

Multiple Choice

For an x-bar chart where the standard deviation is known,the Upper Control Limit


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

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