Question: 2. Bill Bird Seed uses a machine to fill 10 kg bags of bird seed. They know the standard deviation of filling bags is 0.12
2. Bill Bird Seed uses a machine to fill 10 kg bags of bird seed. They know the standard deviation of filling bags is 0.12 kg. They check four bags per day for 5 days and get average weights of 10.10, 9.95. 10.25, 10.23. 9.97.
a. Establish the appropriate 3 sigma process control chart(s). What are the appropriate upper and lower control limits?
b. Is the process in control?
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