Question: 5 9 9 9 00 ... 56.10 A process that is considered to be in control measures an ingredient in ounces. Below are the last

5 9 9 9 00 ... 56.10 A process that is considered

5 9 9 9 00 ... 56.10 A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5) taken. The population process standard deviation, o, is 1.36. SAMPLES 1 1 2 3 4 6 7 8 9 10 10 9 9 13 10 12 10 10 13 8 8 10 9 10 10 10 11 10 8 12 10 11 10 11 9 9 10 12 9 9 11 10 10 11 12 8 10 12 8 12 10 9 10 9 9 8 8 12 a) What is o ? b) If z = 3, what are the control limits for the mean chart? c) What are the control limits for the range chart? d) Is the process in control? PX 00 8 09 00 10 9

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