Chapter Simple Linear Regression Copyright © 2012 Pearson Education, Inc All rights reserved Section 3.1 Introduction Copyright © 2012 Pearson Education, Inc All rights reserved Section 3.2 The Straight-Line Probabilistic Model Copyright © 2012 Pearson Education, Inc All rights reserved Copyright © 2012 Pearson Education, Inc 3- Figure 3.1 The straight-line model Copyright © 2012 Pearson Education, Inc 3- Section 3.3 Fitting the Model: The Method of Least Squares Copyright © 2012 Pearson Education, Inc All rights reserved Copyright © 2012 Pearson Education, Inc 3- Figure 3.2 Scatterplot for data in Table 3.1 Copyright © 2012 Pearson Education, Inc 3- Figure 3.3 Visual straight-line fit to data in Table 3.1 Copyright © 2012 Pearson Education, Inc 3- Copyright © 2012 Pearson Education, Inc 3- 10 Figure 3.24 Error of predicting a future value of y for a given value of x Copyright © 2012 Pearson Education, Inc 3- 55 Figure 3.25 Comparison of widths of 95% confidence and prediction intervals Copyright © 2012 Pearson Education, Inc 3- 56 Section 3.10 A Complete Example Copyright © 2012 Pearson Education, Inc All rights reserved Copyright © 2012 Pearson Education, Inc 3- 58 Figure 3.26 SAS printout for fire damage linear regression Copyright © 2012 Pearson Education, Inc 3- 59 Figure 3.27 Least squares model for the fire damage data Copyright © 2012 Pearson Education, Inc 3- 60 Section 3.11 Regression Through the Origin (Optional) Copyright © 2012 Pearson Education, Inc All rights reserved Copyright © 2012 Pearson Education, Inc 3- 62 Copyright © 2012 Pearson Education, Inc 3- 63 Copyright © 2012 Pearson Education, Inc 3- 64 Copyright © 2012 Pearson Education, Inc 3- 65 Figure 3.28 SPSS regression through origin printout for Example 3.6 Copyright © 2012 Pearson Education, Inc 3- 66 Figure 3.29 MINITAB scatterplot for data in Example 3.6 Copyright © 2012 Pearson Education, Inc 3- 67 Figure 3.30 SPSS spreadsheet with 95% prediction intervals Copyright © 2012 Pearson Education, Inc 3- 68 Figure 3.31 Using a straight line to approximate a curvilinear relationship when the true relationship passes through the origin Copyright © 2012 Pearson Education, Inc 3- 69 ... 2012 Pearson Education, Inc 3- 15 Figure 3.5b SPSS printout for advertising-sales regression Copyright © 2012 Pearson Education, Inc 3- 16 Figure 3.5c MINITAB printout for advertising-sales regression. .. data in Table 3.1 Copyright © 2012 Pearson Education, Inc 3- Copyright © 2012 Pearson Education, Inc 3- 10 Copyright © 2012 Pearson Education, Inc 3- 11 Copyright © 2012 Pearson Education, Inc... Plot of the least ^ squares line y = −.1 + 7x Copyright © 2012 Pearson Education, Inc 3- 13 Copyright © 2012 Pearson Education, Inc 3- 14 Figure 3. 5a SAS printout for advertising-sales regression