The number of defective products in each of 40 samples taken from a production run are shown here. In each sample, 200 units were examined and classified as either good or defective, depending on whether dimensional tolerances had been met. Use an appropriate 3-sigma control chart in commenting on the state of control of the process.
Answer to relevant QuestionsWhat kinds of statistical data play a role in an auto insurance firm’s decision on the annual premium you’ll pay for your policy? The Acme School of Lock smiting has been accredited for the past 15 years. Discus show this information might be interpreted as a a. qualitative variable. b. quantitative variable. For the frequency distribution constructed in Exercise 2.11, convert the information to a “less-than” ogive. Exercise 2.11 Following their manufacture, plastic shims are sampled at periodic intervals and their thickness (in millimeters) measured. Each sample consists of n = 3 shims, and the following data have been collected for the past 20 ...Given the conclusion reached in the solution for Exercise 20.75, with the data in file XR20075, is it appropriate to compute the Process Capability Index (Cpk) for this process? If so, determine the overall mean and standard ...
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