Table 6: Comparison of the spectral index distribution of the VLBI Seyfert sample to various other Seyfert samples. The level of significance gives the probability that the spectral index distribution of the comparison sample and the VLBI seyfert sample in this paper were drawn from the same parent population.
Level of Significance

Sample $\chi^2$ KS Logrank Gehan Peto-Peto

Unger et al. (1987) X-ray Seyferts 0.3% 0.7% 0.3% 8.3% 8.3%

Rush et al. (1996) CfA Seyferts 0.1% 0.1% 0.0% 0.5% 0.5%

Rush et al. (1996) 12 $\mu$ m Seyferts 0.1% 0.6% 0.0% 2.0% 2.0%

Morganti et al. (1999) Distance Limited 0.1% 0.3% 0.0% 1.2% 1.2%

Ho & Ulvestad (2001) Palomar Seyferts 1.0% 27% 44% 75% 77%

Ulvestad & Wilson (1984) Distance Limited 0.1% 0.3% 0.0% 0.7% 0.7%

**Table 6:** Comparison of the spectral index distribution of the VLBI Seyfert sample to various other Seyfert samples. The level of significance gives the probability that the spectral index distribution of the comparison sample and the VLBI seyfert sample in this paper were drawn from the same parent population.
		Level of Significance
Sample		$\chi^2$	KS	Logrank	Gehan	Peto-Peto
Unger et al. (1987)	X-ray Seyferts	0.3%	0.7%	0.3%	8.3%	8.3%
Rush et al. (1996)	CfA Seyferts	0.1%	0.1%	0.0%	0.5%	0.5%
Rush et al. (1996)	12 $\mu$ m Seyferts	0.1%	0.6%	0.0%	2.0%	2.0%
Morganti et al. (1999)	Distance Limited	0.1%	0.3%	0.0%	1.2%	1.2%
Ho & Ulvestad (2001)	Palomar Seyferts	1.0%	27%	44%	75%	77%
Ulvestad & Wilson (1984)	Distance Limited	0.1%	0.3%	0.0%	0.7%	0.7%

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