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单词 percentile
释义

percentilen.adj.

Brit. /pəˈsɛntʌɪl/, U.S. /pərˈsɛnˌtaɪl/
Origin: Formed within English, by derivation. Etymons: per cent n., -ile suffix.
Etymology: < per cent n. + -ile suffix, after quartile n. 2, octile n. 2, decile n., etc. Compare later centile n. N.E.D. (1905) also gives the pronunciation (pəɹse·ntil) /pəˈsɛntɪl/.
Statistics.
A. n.
Each of the 99 intermediate values of a variate which divide a frequency distribution into 100 groups each containing one per cent of the total population (so that, e.g., 40 per cent have values below the 40th percentile); each of the 100 groups so formed.The concept of percentiles was introduced, but not named, by Galton in 1875.
ΘΚΠ
the world > relative properties > number > probability or statistics > [noun] > groups or arrangements of data
quartile1879
decile1882
percentile1885
centile1894
array1897
quintile1910
rank order1915
stratum1920
bin1934
quantile1938
realization1941
fractile1952
1885 F. Galton in Jrnl. Anthropol. Inst. 14 276 The value which 50 per cent. exceeded, and 50 per cent. fell short of, is the Median Value, or the 50th per-centile.
1920 Jrnl. Royal Statist. Soc. 83 140 Chapter VI deals with various kinds of means, with the median and the method of percentiles.
1951 Brit. Jrnl. Nutrition 5 199 For the purposes of classification of the subjects into categories of fatness, we have used the twentieth, fortieth, sixtieth and eightieth percentile.
1992 J. Mitford Amer. Way of Birth i. i. 10 She finished her training in New Mexico, passing the state board exam in the top percentile.
B. adj. (attributive).
Relating to percentiles; expressed in terms of percentiles.
ΘΚΠ
the world > relative properties > number > probability or statistics > [adjective] > relating to grouping
ranked1657
percentile1886
nested1941
1886 Jrnl. Anthropol. Inst. 15 379 The Jewish and Scotch percentile bars ought to be elastic and extend equally on both sides of the English fiftieth percentile.
1924 Jrnl. Amer. Statist. Assoc. 19 217 There is now found the modern style of business analysis based on facts and..presenting its data in the percentile index form.
1957 G. E. Hutchinson Treat. Limnol. I. vi. 384 (caption) Mean percentile absorption at different wave lengths.
1996 Sunday Tel. 4 Feb. (Business section) 12/3 Each fund is then averaged to give the average percentile rank scores shown in the table.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.adj.1885
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