Question: The data shown in following table are X and R values for 24 samples of size n=5 taken from a process producing. (1) Set up

 The data shown in following table are X and R values

The data shown in following table are X and R values for 24 samples of size n=5 taken from a process producing. (1) Set up X and R charts on this process. Does the process seem to be in statistical control? (2) If answer in (1) is no, then revise the trial control limits (If answer in (1) is no, suppose that all alarms issued in (1) are caused by assignable causes)

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