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Figure 5.21 Interaction model: Mean response as a function of F and B when F and B interact to affect E(y)

Figure 5.21 Interaction model: Mean response as a function of F and B when F and B interact to affect E(y)

Tải bản đầy đủ - 64trang

Copyright © 2012 Pearson Education, Inc.



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Figure 5.22 SAS printout for main

effects model, Example 5.10



Copyright © 2012 Pearson Education, Inc.



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Figure 5.23 SAS printout for

interaction model, Example 5.10



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Figure 5.24 MINITAB graph of sample

means for engine performance



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Figure 5.25 SAS printout for

nested model F-test of interaction



Copyright © 2012 Pearson Education, Inc.



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Section 5.9

Models with

Three or More

Qualitative

Independent

Variables



Copyright © 2012 Pearson Education, Inc. All rights reserved.



Copyright © 2012 Pearson Education, Inc.



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Section 5.10

Models with

Both

Quantitative and

Qualitative

Independent

Variables

Copyright © 2012 Pearson Education, Inc. All rights reserved.



Figure 5.26 Model for E(y) as a

function of engine speed



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Figure 5.27 Model for E(y) as a function of

fuel type and engine speed (no interaction)



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Figure 5.21 Interaction model: Mean response as a function of F and B when F and B interact to affect E(y)

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