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Table 4.

Chance coincidence for the mean flux density analysis.

Sample NSource Δψ NAssoc S Pre-trial Post-trial
(deg) (Jy) p p
(1) (2) (3) (4) (5) (6) (7)
OVRO all-AGN 1795 1.0 20 1.92 0.019 0.037( × 5)
CGRaBS 1157 1.0 18 2.02 0.027 0.049( × 5)
OVRO-350 mJy 589 1.0 13 2.74 0.087 0.160( × 5)
RFC-150 mJy 1156 1.0 18 2.12 0.059 0.106( × 5)
Metsähovi 183 0.9 7 4.19 0.080 0.138( × 5)

Notes. Column (1) indicates the sample studied and Col. (2) gives the number of sources in that sample. Column (3) gives the optimal systematic uncertainty parameter for the sample, and Col. (4) the number of associations found using this systematic uncertainty. The pre-trial and post-trial p-values are given in Cols. (6) and (7), respectively. The additional trial factor due to multiple samples is shown as a multiplicative factor in Col. (7) (see Sect. 3.1).

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