Discuss type I and type II errors relative to the control chart. What practical implication in terms of process operation do these two types of errors have?
Answer to relevant QuestionsThe 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 ...a. Estimate the process standard deviation. b. Construct a CUSUM chart for this process using standardized values of h = 5 and k = 1/2. a. Estimate the potential capability. b. Estimate the actual capability. c. How much could the fallout in the process be reduced if the process were corrected to operate at the nominal specification? 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 ...a. Find the three-sigma limits for this chart.
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