b. Estimate the process mean and standard deviation.
c. Does fill weight seem to follow a normal distribution?
Answer to relevant Questionsb. Estimate the process standard deviation. c. What are the limits that you would expect to contain nearly all the process measurements? Reconsider the data presented in Exercise 5.26. b. Does the S chart detect the shift in process variability more quickly than the R chart did originally in part (b) of Exercise 5.26? In exercise In exercise An electric utility tracks the response time to customer reported outages. The data in Table 5E.17are a random sample of 40 of the response times (in minutes) for one operating division of this utility during a single ...
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