Quality Assurance in Industry: Balancing Cost and Quality for Efficient Processes

2. Chapter Eleven Quality and Assurance

3. Fig. 11-1 The Trade-Off BetweenQuality and Cost

4. Fig. 11-2 Probability Density of a Uniform Variate on (0, 1)

5. Fig. 11-3 Density of the Sum of ThreeUniform Random Variables

6. Fig. 11-4 Density of the Sum of ThreeUniform Random Variables andthe Normal Approximation

7. Fig. 11-5 Frequency Histogram of 150 Measurements

8. Fig. 11-6 Theoretical Normal Curve of Arm Length

9. Fig. 11-7 Chart for Tracking Arm Data

10. Fig. 11-8 R Chart for Tracking Arm Data

11. Fig. 11-9 Preliminary p chart for Xezet floppy disk data (Refer to Example 11.2)

12. Fig. 11-10 Revised p chart for Xezet floppy disk data (Refer to Example 11.2)

13. Fig. 11-11 Successive Cycles in Process Monitoring

14. Fig. 11-12 The Behavior of G(n, k) as afunction of k (Refer to Example 11.5)

15. Fig. 11-13 The Ideal OC Curve

16. Fig. 11-14 OC Curve for Spire Records (n = 10)

17. Fig. 11-15 Revised OC Curve for Spire Records (n = 25)

18. Fig. 11-16 Two Realizations of a Sequential Sampling Plan

19. Fig. 11-17 Sequential Sampling Planfor Spire Records (Refer to Example 11.8)

20. Fig. 11-18 ASN Curve for Spire Records (estimated)

21. Fig. 11-19 AOQ Curves forSpire Records(Refer to Example 11.9)

22. Fig. 11-20 The House of Quality:The QFD Planning Matrix