Question: Why should you monitor a process Why not just inspect
Why should you monitor a process? Why not just inspect the results and throw away the defective ones?
Relevant QuestionsWhich of the five basic activities of statistics is represented by each of the following situations? a. A factory’s quality control division is examining detailed quantitative information about recent productivity in order ...a. What is an assignable cause of variation? b. What is a random cause of variation? For each of the following situations, tell whether a Pareto diagram, an chart, an R chart, or a percentage chart would be the most helpful. Give a reason for your choice. a.* Your workers all want to be helpful, but they ...What problems, if any, are visible in the control charts in Figure 18.5.6? What action (if any) would you suggest? FIGURE 18.5.6 Continue with the data set in Table 18.5.3, representing the thicknesses of a protective coating. a.* Find the center line for the R chart. b.* Find the control limits for the R chart. c. Draw the R chart. d. Comment on what ...
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