| 单词 |
percentile |
| 释义 |
percentile, a. and n.|pəˈsɛntaɪl, -ɪl|
[f. per cent(um, app. after bissext-ile, etc.]
a. adj. Pertaining to percentage; reckoned as a percentage.
b. n. Each of a series of values obtained by dividing a large number of quantities into a hundred equal groups in order of magnitude; that value which is not exceeded by the lowest group is the first percentile; that not exceeded by the lowest two, the second percentile; and so on.
1885F. Galton in Jrnl. Anthrop. Inst. Feb. 276 The value which 50 per cent. exceeded, and 50 per cent. fell short of, is the Median Value, or the 50th per-centile, and this is practically the same as the Mean Value; its amount is 85 lbs. 1889― in Nature 24 Jan. 298/2 The data were published in the Journal of this Institute as a table of ‘per⁓centiles’. 1890Cent. Dict., Percentile, adj. In percentage: as, percentile measurement. 1956W. H. Whyte Organization Man (1957) 407 Don't strive to get yourself in the 70th or 80th percentile for extroversion. 1957G. E. Hutchinson Treat. Limnol. I. vi. 384 (caption) Mean percentile absorption at different wave lengths. 1970Jrnl. Gen. Psychol. LXXXIII. 154 The high dependency groups consisted of those 13 Ss whose autonomy minus deference scale percentile ranks score was 20 or above. |
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