Homewor999

Homewor999 - Homework 7 - Chapter 9 Exercise Solutions 9.1....

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Unformatted text preview: Homework 7 - Chapter 9 Exercise Solutions 9.1. = 1050; = 25; = 1 ; K = ( /2) = (1/2)25 = 12.5; H = 5 = 5(25) = 125 (a) MTB > Stat > Control Charts > Time-Weighted Charts > CUSUM The process signals out of control at observation 10. The point at which the assignable cause occurred can be determined by counting the number of increasing plot points. The assignable cause occurred after observation 10 3 = 7. (b) No. The estimate used for is much smaller than that from the data. 9.7. (a) (b) MTB > Stat > Control Charts > Time-Weighted Charts > CUSUM Test Results for CUSUM Chart of Ex9.7temp TEST. One point beyond control limits. Test Failed at points: 12, 13 The process signals out of control at observation 12. The assignable cause occurred after observation 12 10 = 2. 9.11. Excel file: workbook Chap09.xls : worksheet Ex9.11 mu0 = 1050 sigma = 25 delta = 1 sigma k = 0.5 h = 5 Obs, i xi yi vi Si+ N+ OOC? When? Si- N- OOC? When?...
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Homewor999 - Homework 7 - Chapter 9 Exercise Solutions 9.1....

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