11 -1 Chapter Eleven Quality and Assurance

11 -1

Chapter Eleven Quality and Assurance 11 -2

Fig. 11 -1 11 -3 The Trade-Off Between Quality and Cost

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

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

Fig. 11 -4 11 -6 Density of the Sum of Three Uniform Random Variables and the Normal Approximation

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

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

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

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

Fig. 11 -9 11 -11 Preliminary p chart for Xezet floppy disk data (Refer to Example 11. 2)

Fig. 11 -10 11 -12 Revised p chart for Xezet floppy disk data (Refer to Example 11. 2)

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

Fig. 11 -12 11 -14 The Behavior of G(n, k) as a function of k (Refer to Example 11. 5)

Fig. 11 -13 11 -15 The Ideal OC Curve

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

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

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

Fig. 11 -17 11 -19 Sequential Sampling Plan for Spire Records (Refer to Example 11. 8)

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

Fig. 11 -19 11 -21 AOQ Curves for Spire Records (Refer to Example 11. 9)

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