Chapter 17 Statistical Quality Control Copyright © 2010 Pearson Addison-Wesley All rights reserved Section 15.1 Introduction Copyright © 2010 Pearson Addison-Wesley All rights reserved Figure 17.1 Typical Control Chart Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - Section 17.2 Nature of the Control Limits Copyright © 2010 Pearson Addison-Wesley All rights reserved Section 17.3 Purposes of the Control Chart Copyright © 2010 Pearson Addison-Wesley All rights reserved Section 17.4 Control Charts for Variables Copyright © 2010 Pearson Addison-Wesley All rights reserved Figure 17.2 The 3 control limits for the engine part example Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - Table 17.1 Sample Information on Tensile Strength Data Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - Figure 17.3 R-chart for the tensile strength example Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - _ Figure 17.4 X-chart for the tensile strength example Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 10 _ Figure 17.5 Operating characteristic curves for the Xchart with 3 limits Here is the type II probability error on the first sample after a shift in the mean of r Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 11 Figure 17.6 Operating characteristic curve for the R-charts with 3 limits Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 12 Section 17.5 Control Charts for Attributes Copyright © 2010 Pearson Addison-Wesley All rights reserved Table 17.2 Volume of Containers for 25 Samples in a Preliminary Sample (in cubic centimeters) Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 14 _ Figure 17.7 The X-chart with control limits established by the data of Example 17.2 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 15 Figure 17.8 The S-chart with control limits established by the data of Example 17.2 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 16 Table 17.3 Data for Example 17.3 to Establish Control Limits for p-Charts, Samples of Size 50 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 17 Table 17.4 Data for Example 17.5; Control Involves Number of Defects in Sheet Metal Rolls Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 18 Table 17.5 Additional Data from the Production Process of Example 17.5 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 19 Figure 17.9 Preliminary data plotted on the control chart for Example 17.5 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 20 Figure 17.10 Additional production data for Example 17.5 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 21 Section 17.6 Cusum Control Charts Copyright © 2010 Pearson Addison-Wesley All rights reserved ... reserved 17 - 16 Table 17. 3 Data for Example 17. 3 to Establish Control Limits for p-Charts, Samples of Size 50 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 17 Table 17. 4 Data for. .. reserved 17 - 11 Figure 17. 6 Operating characteristic curve for the R-charts with 3 limits Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 12 Section 17. 5 Control Charts for Attributes... established by the data of Example 17. 2 Copyright © 2010 Pearson AddisonWesley All rights reserved 17 - 15 Figure 17. 8 The S-chart with control limits established by the data of Example 17. 2 Copyright