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5. A manufacturer of water heaters wants to set up a control chart at the final...

5. A manufacturer of water heaters wants to set up a control chart at the final inspection station. The inspection checks for both cosmetic and technical defects. Over 22 days 176 water heaters were inspected and a total of 924 defects were found. Each inspection look sat two water heaters. (a) What type of control chart would you recommend? Why? (b) Construct the control chart you recommended. (c) What is the probability of Type I error for your chart?

math   Statistics-And-Probability   
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