It is an outlier (1.6 standard deviations) but not quite statistically significant enough to say that this isn’t random chance. Not that this will be particularly satisfying of an answer.
Reposted from
Scott Willis
13% of Arsenal's matches with Oliver have had a red card, how improbable is that?
Comments
Red cards / PL games since Arteta appointed manager.
4/27 - Oliver (+1 LC) - 16.7%
3/14 - Tierney - 21.4%
2/10 - Attwell - 20%
2/15 - Pawson - 13.3%
2/16 - Kavanagh - 12.5%
2/18 - Taylor - 11.1%
1/3 - Scott - 33.3%
1/6 - Jones - 16.7%
1/9 - Atkinson (+1LC) - 11.1%
1/10 - Coote - 10%
Perhaps the Northumberland (near Newcastle) born Oliver hates North London.