Consider the time-varying process behavior shown below. Match each of these several patterns of process performance to the corresponding and R charts shown in Figures (a) to (e) below.
Answer to relevant QuestionsDiscuss the relationship between a control chart and statistical hypothesis testing. b. Estimate the mean and standard deviation of the process. What are the ± 2 standard deviation limits for the individual data? c. If the specification limits are 41 ± 5, do you think the process is capable of producing ...The viscosity of a polymer is measured hourly. Measurements for the last 20 hours are shown as follows: a. Does viscosity follow a normal distribution? b. Set up a control chart on viscosity and a moving range chart. Does ...In exercise Consider the package weight data in Exercise 5.45. Suppose there is a lower specification at 0.985 kg. Calculate an appropriate process capability ratio for this material. What percentage of the packages produced by this ...
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