.300 is a good one, briefly, 3 letters
.300 is a good one: Abbr., 3 letters
3 for 2 and 4: Abbr., 3 letters
4, to 3 and 5: Abbr., 3 letters
Approx. arith. mean, 3 letters
Ballpark figure: Abbr., 3 letters
Batting champ's stat, 3 letters
Doubling makes it go up: Abbr., 3 letters
Dow Jones figure: Abbr., 3 letters
Mean in math class (abbr.), 3 letters
Mean, to a statistician: Abbr., 3 letters
Part of e.r.a.: Abbr., 3 letters
Part of GPA (abbr.), 3 letters
Spring training fig., 3 letters
What C may mean: abbr., 3 letters
Fuel for piston-engine aircraft, 5 letters
Fuel for piston-engine airplanes, 5 letters
Citrus-tinged Greek soup, 10 letters
Batting statistics: Abbr., 4 letters
Hitting statistics (abbr.), 4 letters
Many statistics: Abbr., 4 letters
Miles per gal., points per game, etc., 4 letters
Some baseball stats: Abbr., 4 letters
Some stock-mkt. stats, 4 letters
Sports pg. listings, 4 letters