Question: Find the upper and lower control limits based on a two sigma limit (the process was under control when the sample data was taken.) SAMPLE

Find the upper and lower control limits based on a two sigma limit (the process was under control when the sample data was taken.)

SAMPLE NUMBER Number Defective Size of sample
1 5 50
2 2 50
3 4 50
4 6 50
5 2 50

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