This preview shows pages 1–4. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
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 > TimeWeighted 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 > TimeWeighted 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?...
View Full
Document
 Spring '97
 RAVINDRAN

Click to edit the document details