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Fifteen Samples of Size 10 Are Taken from a Stable

Question 30

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Fifteen samples of size 10 are taken from a stable process.The average of the sample means is 32.8,and the average range of the samples is 1.5.What is the upper control limit for the R chart? Use the information contained in the attached chart. Fifteen samples of size 10 are taken from a stable process.The average of the sample means is 32.8,and the average range of the samples is 1.5.What is the upper control limit for the R chart? Use the information contained in the attached chart. A) 1.777 B) 1.653 C) 2.666 D) 2.480


A) 1.777
B) 1.653
C) 2.666
D) 2.480

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