1. 1 Copyright © 2015 Elsevier Inc. All rights reserved. Chapter 10 Analysis of variance

2. 2 FIGURE 10.1 Decomposition of total SS. Copyright © 2015 Elsevier Inc. All rights reserved.

3. 3 FIGURE 10.2 ANOVA decomposition.

4. 4 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 10.3 (a) Normal plot for noise level of small automobiles.

5. 5 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 10.3 (b) Normal plot for noise level of medium-sized automobiles.

6. 6 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 10.3 (c) Normal plot for noise level of large automobiles

7. 7 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 10.3 (d) Mean decibel levels for three sizes of automobiles.

8. 8 Copyright © 2015 Elsevier Inc. All rights reserved. FIGURE 10.3 (e) Side-by-side box plots for decibel levels for three sizes of automobiles.

9. 9 Copyright © 2015 Elsevier Inc. All rights reserved. UN FIGURE 10.1

10. 10 Copyright © 2015 Elsevier Inc. All rights reserved. UN FIGURE 10.2

11. 11 Copyright © 2015 Elsevier Inc. All rights reserved. UN FIGURE 10.3

12. 12 Copyright © 2015 Elsevier Inc. All rights reserved. UN FIGURE 10.4