Green’s Dictionary of Slang

1. usu. pl., a statistic, statistics.

1977		Fidrych & Clark No Big Deal 117: T. You started striking out less guys, but you also stopped giving up so many walks. [...] M. Well, see, now you’re gettin’ down to stats.
1986		C. Stroud Close Pursuit (1988) 158: There had been some pressure coming down from Administration to lower the murder stats in New York this year.
1996		(con. 1946) G. Pelecanos Big Blowdown (1999) 70: The announcer was pulling down the mike to bark out the stats for the main event.
2000		C. Cook Robbers (2001) 261: Your stats were better than mine. But I made all-district defence.
2010		Codella and Bennett Alphaville (2011) 319: The chief [of police] loved us for our stats.

2. a photostat, a Xerox copy.

1953		E. Hunter ‘Small Homicide’ in Jungle Kids (1967) 42: I want the baby’s footprints taken and a stat sent to every hospital in the state.
1960		‘Ed McBain’ Give Boys Great Big Hand 40: Here are the stats, kid .
1971		C. Fick Danziger Transcript (1973) 81: Make stats of all the graduation and group pictures [OED].