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Table 5 Variance ratio in adult tarsus length between the different sexes and treatment groups.

From: Food supplements increase adult tarsus length, but not growth rate, in an island population of house sparrows (Passer domesticus)

Variance Test

Variance Ratio

95% CI of Ratio

p

Control Males vs. Fed Males

3.51

1.10-9.55

0.03

Control Females vs. Fed Females

0.61

0.21-1.83

0.37

Control Males vs. Control Females

1.16

0.39-3.06

0.79

Fed Males vs. Fed Females

4.99

1.51-14.65

0.01

  1. Sample sizes given in Figure 2. Raw p-values from F-tests and confidence intervals are reported here. When comparing the ratio of two variances a value of one means that they are equal.