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

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

3 FIGURE 10.2 ANOVA decomposition.

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

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

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

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

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

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

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

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