| 释义 |
ˈdecil, decile
[Corresponds to F. décile (also dextil, Littré), prob. med.L. *decīlis, app. f. decem ten, after quintīlis, sextīlis.]
1. Astrol. The aspect of two planets when distant from each other a tenth part of the zodiac, or 36 degrees.
1674S. Jeake Arith. Surv. i. (1696) 11 Aspects..Semi⁓quintil or Decil. 1686Goad Celest. Bodies i. xi. 39 The Quintile..the Biquintile..the Vigintile, and Quindecile, and Decile, etc.,..We hope..we shall never be forced to own such Driblets of Aspects.
2. (Spelt decile.) Statistics. Any of the nine values of a variate which divide a frequency distribution into ten groups, each containing one tenth of the total population; also, any of the ten groups so produced.
1882Galton in Rep. Brit. Assoc. 1881 245 The Upper Decile is that which is exceeded by one-tenth of an infinitely large group, and which the remaining nine-tenths fall short of. The Lower Decile is the converse of this. 1907G. P. Watkins Growth of Large Fortunes ii. 18 Convenient relative numbers are the ratio of the upper decile, or the upper centile, to the median. 1934Brit. Jrnl. Psychol. XXIV. 277 The group [of subjects] was formed by combining the highest and lowest deciles of a larger group, and there was thus too large a scatter. 1939Nature 11 Mar. 439/1 Mr. Yule has selected the mean, median, upper and lower quartiles, interquartile range, and ninth decile. 1971Ibid. 22 Jan. 224/3 The range of salaries indicated by the survey extends from $24,500 or more in the highest decile to $9,500 or less in the lowest decile. |