Question: 11. A process when in control produces a normally distributed output with a mean of 200 and a mean range of 20. When using samples

11. A process when in control produces a normally
11. A process when in control produces a normally distributed output with a mean of 200 and a mean range of 20. When using samples of size 7, which of the following is the upper control limit of the R chart? A) 38.5 B) 40 C) 26 D) 343 E) 373

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