Using the control limits determined in Exercise 20.52, evaluate whether the process was in control when the following data were collected for vehicles 21–30.
Answer to relevant QuestionsFor each of the following, indicate whether the appropriate variable would be qualitative or quantitative. If you identify the variable as quantitative, indicate whether it would be discrete or continuous. a. Whether you own ...Differentiate between the Process Potential Index (Cp) and the Process Capability Index (Cpk). In what way(s) are they similar? In what way(s) do they differ? 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 ...For each of the following, identify which kind of variation is at work—random or assignable—and explain your reasoning. a. During the noon hour, there is an electrical power disruption and nuts machine-tightened during ...During the production of 15-ampere circuit breakers, samples are taken at periodic intervals and tested for the exact amperage at which they break a circuit. Each sample consists of n = 4 circuit breakers. For the following ...
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