1. 1 Copyright © 2015 Elsevier Inc. All rights reserved. Chapter 7 Linear Regression Models

2. 2 FIGURE 7.1 Histogram of the ages. Copyright © 2015 Elsevier Inc. All rights reserved.

3. 3 FIGURE 7.2 P-P plot of the ages.

4. 4 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.3 Q-Q plot for the ages.

5. 5 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.4 Weibull pdf of wind velocity of Hurricane Katrina.

6. 6 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.5 Weibull cdf of wind velocity of Hurricane Katrina.

7. 7 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.6 Three-parameter gamma pdf for unemployment in the United States.

8. 8 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.7 Three-parameter Weibull pdf for tumor size data.

9. 9 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.8 Beta pdf for rainfall data.

10. 10 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 7.8 Weibull pdf and cdf for prostate tumor sizes.

11. 11 Copyright © 2015 Elsevier Inc. All rights reserved. UN FIGURE 7.1