Apply the Western Electric rules to the control chart presented in Exercise 5.19. Would these rules result in any out-of-control signals?
Answer to relevant QuestionsConsider the time-varying process behavior shown below and on the next page. Match each of these several patterns of process performance to the corresponding and R charts shown in figures (a) to (e) below. The magnificent seven can be used in our personal lives. Develop a check sheet to record “defects” you have in your personal life (such as overeating, being rude, not meeting commitments, missing class, etc.). Use the ...The fill volume of soft-drink beverage bottles is an important quality characteristic. The colume is measured (approximately) by placing a gauge over the crown and comparing the height of the liquid in the neck of the bottle ...Samples of n = 4 items are taken from a process at regular intervals. A normally distributed quality characteristic is measured and x and s values are calculated for each sample. After 50 subgroups have been analyzed, we ...Samples of size n = 5 are collected from a process every half hour. After 50 samples have been collected, we calculate. x = 20.0 and s 1.5. Assume that both charts exhibit control and that the quality characteristic is ...
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