Construct an appropriate control chart

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Reference no: EM131384772

Consider given Exercise. Determine the sensitivity of the control limits complication rate using values of 0.2% and 0.5%.

Exercise
The number of heart surgery complications is rare. To monitor the effectiveness of such surgeries, data are recorded on the number of such procedures until a complication occurs. These complications occur independently with a constant probability of occurrence and follow a geometric distribution. Table 8-32 shows such data for a sequence of 25 complications. It is estimated from past data that the complication rate is 0.1%.

Construct an appropriate control chart and comment on the process assuming a type I error rate of 0.005. What would the control limits be for a type I error rate of 0.05? What factors would influence your selection of the type I error rate?

Complication Sequence	Number of Procedures	Complication Sequence	Number of Procedures	Complication Sequence	Number of Procedures
1	654	10	1654	18	1794
2	981	11	892	19	1112
3	1508	12	750	20	652
4	436	13	1333	21	1050
5	1202	14	1404	22	1085
6	889	15	909	23	1422
7	1854	16	822	24	688
8	3068	17	1609	25	1095
9	704

Reference no: EM131384772

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