Question: A manager has to develop a control chart for determining whether three homogenous processes are in control. Accordingly she sampled four units of output from
A manager has to develop a control chart for determining whether three homogenous processes are in control. Accordingly she sampled four units of output from each process with the following results. Process 1-17,15,15,17; Process 2-16,25,18,25; Process 3-23,24,23,22. What are the x bar chart three sigma upper and lower control limits?
- Process 1
- Process 2
- Process 3
- All processes
- None
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