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Clinical Biochemistry of Domestic Animals (Sixth Edition) - UMK ...

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18<br />

Chapter | 1 Concepts <strong>of</strong> Normality in <strong>Clinical</strong> <strong>Biochemistry</strong><br />

Univariate Analysis <strong>of</strong> Variance<br />

Descriptive Statistics<br />

Dependent Variable: COUNT<br />

COCKTAIL AGE Mean Std. Deviation N<br />

control infant 45.8000 4.38178 5<br />

adult 38.8000 2.58844 5<br />

Total 42.3000 5.01221 10<br />

tcc infant 52.0000 1.87083 5<br />

adult 50.2000 1.64317 5<br />

Total 51.1000 1.91195 10<br />

acd3s infant 62.2000 3.03315 5<br />

adult 58.2000 1.64317 5<br />

Total 60.2000 3.11983 10<br />

Total infant 53.3333 7.62202 15<br />

adult 49.0667 8.44703 15<br />

Total 51.2000 8.19756 30<br />

Dependent Variable: COUNT<br />

Tests <strong>of</strong> Between-Subjects Effects<br />

Source<br />

Type III Sum<br />

<strong>of</strong> squares<br />

df Mean Square F Sig.<br />

Corrected Model 1772.800 a 5 354.560 48.349 .000<br />

Intercept 78643.200 1 78643.200 10724.073 .000<br />

COCKTAIL 1602.200 2 801.100 109.241 .000<br />

AGE 136.533 1 136.533 18.618 .000<br />

COCKTAIL * AGE 34.067 2 17.033 2.323 .120<br />

Error 176.000 24 7.333<br />

Total 80592.000 30<br />

Corrected Total 1948.800 29<br />

a R Squared .910 (Adjusted R Squared .891)<br />

Dependent Variable: COUNT<br />

Bonferroni<br />

Multiple Comparisons<br />

(I) COCKTAIL (J) COCKTAIL Mean<br />

Difference<br />

(I J)<br />

Std. Error<br />

Sig.<br />

95% Confidence Interval<br />

Lower Bound Upper Bound<br />

control tcc 8.8000* 1.21106 .000 11.9168 5.6832<br />

acd3s 17.9000* 1.21106 .000 21.0168 14.7832<br />

tcc control 8.8000* 1.21106 .000 5.6832 11.9168<br />

acd3s 9.1000* 1.21106 .000 12.2168 5.9832<br />

acd3s control 17.9000* 1.21106 .000 14.7832 21.0168<br />

tcc 9.1000* 1.21106 .000 5.9832 12.2168<br />

Based on observed means.<br />

* The mean difference is significant at the .05 level.<br />

FIGURE 1-12 Partial SPSS printout <strong>of</strong> the analysis <strong>of</strong> variance for assessing both cocktail exposure and<br />

age effects assuming a factorial design.<br />

the Sum <strong>of</strong> Squares and Mean Square for COCKTAIL are<br />

the same as those obtained with the One-way ANOVA.<br />

What has changed is that the Sum <strong>of</strong> Squares for Error<br />

from the One-way ANOVA (346.6) has been decomposed<br />

into the Sum <strong>of</strong> Squares for AGE (136.533), for the interaction<br />

between COCKTAIL and AGE (designated in the<br />

ANOVA table as COCKTAIL * AGE ) (34.067), and for<br />

the new refined Error (176.0). Figure 1-12 also shows

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