“JIT manufacturing is just a gimmick for reducing inventory costs; it has nothing to do with quality.” Discuss the preceding statement.
Answer to relevant QuestionsDifferentiate between conformance and nonconformance in product quality. What are some of the costs associated with each? With respect to the null hypothesis, “H0: The process is in control,” explain the distinction between a Type I error and a Type II error. The tensile strength of sheet metal screws is monitored by selecting a sample of 4 screws at 30-minute intervals, then seeing how many pounds of force are required to break each screw. Given the following data, also listed ...Using the control limits determined in Exercise 20.49, evaluate whether the process was in control when the following data were collected for samples 21–32. Repeat Exercise 20.43 and apply all of the diagnostic tests available with your statistical software. Has applying these diagnostics to the mean and range charts raised any concerns regarding the state of control of the ...
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