The following data represent the results of inspecting all
Chapter , Problem 13(choose chapter or problem)
The following data represent the results of inspecting all personal computers produced at a given plant during the past 12 days. Day Number of Units Number Defective 1 80 5 2 110 7 3 90 4 4 80 9 5 100 12 6 90 10 7 80 4 8 70 3 9 80 5 10 90 6 11 90 5 12 110 7 Does the process appear to have been in control? Determine control limits for future production.
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