Question: Consider the hospital emergency room waiting time data in Exercise 8.16. Set up an EWMA control chart for monitoring this process using ï¬ï = 0.2.

Consider the hospital emergency room waiting time data in Exercise 8.16. Set up an EWMA control chart for monitoring this process using = 0.2. Does the process seem to be in statistical control?

Consider the hospital emergency room waiting time data in Exercise

p50 4.55; p84 7.34; p84 p50 7.344.552.79

From 8.16: TABLE 8E.4 Waiting Time Data for Exercise 8.16 8 1 6 5 10 5 7

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