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Figure 9.6 MINITAB graph of reading scores, with quadratic model results

Figure 9.6 MINITAB graph of reading scores, with quadratic model results

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Figure 9.7 SAS analysis of piecewise

linear model for reading score



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Figure 9.8 MINITAB graph of predicting

reading scores using piecewise regression



Copyright © 2012 Pearson Education, Inc.



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Section 9.3

Inverse

Prediction



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Copyright © 2012 Pearson Education, Inc.



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Figure 9.9 MINITAB analysis of

straight-line model, Example 9.3



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Figure 9.10 MINITAB scatterplot of data

and least squares line, Example 9.3



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Section 9.4

Weighted

Least Squares



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Copyright © 2012 Pearson Education, Inc.



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Figure 9.11 MINITAB printout of

straight-line model, Example 9.4



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Figure 9.12 MINITAB plot of

residuals against road length, x



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Figure 9.6 MINITAB graph of reading scores, with quadratic model results

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