词汇 | quartile |
释义 | quartile noun[ C ] mathematics specializeduk /ˈkwɔː.taɪl/ us /ˈkwɔːr.taɪl/ one of four equal measurements that a set of things can be divided into: 一组事物可分为的四等分之一;四分位数 He is in the top quartile for weight.在体重上他属于最重的四分之一那一组。 Compare quintile Fractions complex fraction compound fraction deci- denominator eighteenth eighth fortieth fraction in millionth mixed fraction ninth proper fraction seventh seventieth sixteenth sixth sixtieth thirteenth thirtieth quartile | Business Englishquartile noun[ C ] uk /ˈkwɔːtaɪl/us GRAPHS & CHARTS in statistics , one of four equal parts that a set of figures is divided into, in order of size, amount, value, etc.: in the top/second, etc. quartileThe investment fund has appeared regularly in the top quartile of performance tables. Examples of quartilequartile The third quartile earns between $5,785 and $25,000 and includes 65 countries from all over the world. Five children were within the lower quartile of the national norms in both follow-ups. Successive columns show the minimum, first quartile, median, mean, third quartile and maximum value of the difference. Our earlier described transition matrix determines sorting across particular earnings quartiles for men and women separately. The median (1-3 quartile) was respectively 1 (0-12) fruit flies per kg fruit and 1 (0-17) fruit flies per 100 fruits. First, the net effect of quartile switching is to damp inter-quartile variation, and not to change central tendencies. There were no statistically significant dif ferences between income quartiles in 1990. The results indicate that the poorest quartile will suffer damages in all scenarios. Second, focused ethnographies were conducted in four selected census tracts with child maltreatment report rates in the highest and lowest quartiles. For continuous variables, individuals who scored within the lowest or highest quartile were placed in the risk category as indicated below. First, the world's population is divided into quartiles on the basis of per capita income in 2100. For the statistical calculations, we have used a median or quartile division of the material for the number of reported symptoms. However, the scope for improvement is limited, since, in all quartiles, the recovery rate is around 70 per cent. The median body surface ratio was 1.33 (range=1.008-2.16, lower and upper quartile=1.13, 1.76 respectively). We find significant differences between the most prosperous quartile and the rest of the world. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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