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Chapter 10

Analysis of variance

2

FIGURE 10.1 Decomposition of total SS.

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FIGURE 10.2 ANOVA decomposition.

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FIGURE 10.3 (a) Normal plot for noise level of small automobiles.

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FIGURE 10.3 (b) Normal plot for noise level of medium-sized automobiles.

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FIGURE 10.3 (c) Normal plot for noise level of large automobiles

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FIGURE 10.3 (d) Mean decibel levels for three sizes of automobiles.

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FIGURE 10.3 (e) Side-by-side box plots for decibel levels for three sizes of automobiles.

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UN FIGURE 10.1

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UN FIGURE 10.2

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UN FIGURE 10.3

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UN FIGURE 10.4