十分位數
Decil \Dec"il\, Decile \Dec"ile\, n. [F. d['e]cil, fr. L. decem ten? cf. It. decile.] (Astrol.) An aspect or position of two planets, when they are distant from each other a tenth part of the zodiac, or 36[deg].
decile n : (statistics) any of nine points that divided a distribution of ranked scores into equal intervals where each interval contains one-tenth of the scores