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![Page 1: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/1.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 1
Active Learning Lecture SlidesFor use with Classroom Response Systems
Chapter 23Multiple Regression
![Page 2: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/2.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 2
The multiple regression model (MRM) models the association in the population between multiple explanatory variables and a response.
A. True
B. False
![Page 3: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/3.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 3
The multiple regression model (MRM) models the association in the population between multiple explanatory variables and a response.
A. True
B. False
![Page 4: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/4.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 4
Deviations of the residuals from normality may suggest an important omitted variable.
A. True
B. False
![Page 5: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/5.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 5
Deviations of the residuals from normality may suggest an important omitted variable.
A. True
B. False
![Page 6: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/6.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 6
A scatterplot matrix allows us to determine visually how strong the association is among the different pairs of variables.
A. True
B. False
![Page 7: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/7.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 7
A scatterplot matrix allows us to determine visually how strong the association is among the different pairs of variables.
A. True
B. False
![Page 8: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/8.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 8
The adjusted R-squared takes account of…
A. the number of explanatory variables.
B. the number of observations.
C. the number of outliers.
D. both A. and B. above.
![Page 9: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/9.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 9
The adjusted R-squared takes account of…
A. the number of explanatory variables.
B. the number of observations.
C. the number of outliers.
D. both A. and B. above.
![Page 10: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/10.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 10
The formula for the residual degrees of freedom in a multiple regression is…
A. n – 1.
B. k – 1.
C. n – k.
D. n – k – 1.
![Page 11: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/11.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 11
The formula for the residual degrees of freedom in a multiple regression is…
A. n – 1.
B. k – 1.
C. n – k.
D. n – k – 1.
![Page 12: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/12.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 12
Because the slope in a multiple regression separates the effects of the explanatory variables, it is known as a…
A. inverse slope.
B. reciprocal slope.
C. marginal slope.
D. partial slope.
![Page 13: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/13.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 13
Because the slope in a multiple regression separates the effects of the explanatory variables, it is known as a…
A. inverse slope.
B. reciprocal slope.
C. marginal slope.
D. partial slope.
![Page 14: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/14.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 14
Because the slopes in a simple regression average over excluded explanatory variables, we call them…
A. inverse slopes.
B. reciprocal slopes.
C. marginal slopes.
D. partial slopes.
![Page 15: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/15.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 15
Because the slopes in a simple regression average over excluded explanatory variables, we call them…
A. inverse slopes.
B. reciprocal slopes.
C. marginal slopes.
D. partial slopes.
![Page 16: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/16.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 16
Partial and marginal slopes only agree when the explanatory variables are uncorrelated.
A. True
B. False
![Page 17: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/17.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 17
Partial and marginal slopes only agree when the explanatory variables are uncorrelated.
A. True
B. False
![Page 18: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/18.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 18
A schematic drawing of the relationships among the explanatory variables and the response is called a…
A. tree diagram.
B. path diagram.
C. Venn diagram.
D. correlation diagram.
![Page 19: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/19.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 19
A schematic drawing of the relationships among the explanatory variables and the response is called a…
A. tree diagram.
B. path diagram.
C. Venn diagram.
D. correlation diagram.
![Page 20: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/20.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 20
Correlation among the explanatory variables in a multiple regression that makes the estimates uninterpretable is called…
A. multilinearity.
B. collinearity.
C. linearity.
D. nonlinearity.
![Page 21: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/21.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 21
Correlation among the explanatory variables in a multiple regression that makes the estimates uninterpretable is called…
A. multilinearity.
B. collinearity.
C. linearity.
D. nonlinearity.
![Page 22: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/22.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 22
The F-test uses the F-statistic to test the collective effect of all of the explanatory variables on the response.
A. True
B. False
![Page 23: Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 23 Multiple Regression.](https://reader036.fdocuments.in/reader036/viewer/2022070605/5a4d1af17f8b9ab05997e58f/html5/thumbnails/23.jpg)
Copyright © 2014, 2011 Pearson Education, Inc. 23
The F-test uses the F-statistic to test the collective effect of all of the explanatory variables on the response.
A. True
B. False