Question: A manager wants to build 95%-level x-bar control limits for a process. The target value for the mean of the process is 12 units. and

A manager wants to build 95%-level x-bar control
A manager wants to build 95%-level x-bar control limits for a process. The target value for the mean of the process is 12 units. and the standard deviation of the process is 6. If 16 samples of size 9 are to be taken, what will be the upper and lower control limits, respectively? 12 and & -8 and 28 14.46 and 9.53 8 and 12 15 28 and 8.71

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