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    1. quartile

      英 ['kw??ta?l] 美['kw?rta?l]
      • n. 四分位數(shù);四分點(diǎn)

      暢通詞匯

      中文詞源


      quartile 四分位數(shù)

      quart-,四,四分之一,-ile,形容詞后綴。引申詞義四等分,四分位數(shù)。

      英文詞源


      quartile (n.)
      c. 1500, originally in astronomy; see quartile (adj.). In statistics, from 1879.
      quartile (adj.)
      mid-15c., "90 degrees apart" (of astronomical measurements), from Middle French quartil, from Medieval Latin quartilus "of a quartile," from Latin quartus "fourth" (see quart).

      雙語(yǔ)例句


      1. The upper quartile is that value above which 25 per cent of the observations lie.
      上四分位數(shù)是25%的觀察值位于其上的值.

      來(lái)自辭典例句

      2. Those in the quartile of FEV 1 decline were defined as fast declines.
      FEV1下降的四分位數(shù)最高值即定義為快速減退.

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      3. There were Therefore only 28 % of students in the top quartile are from lowerlower - income families.
      因此,在高水平學(xué)生中只有28%的人來(lái)自 低收入 家庭.

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      4. Furthermore, this series is the first one in which patients have been distributed according to quartile.
      此外, 該系列研究第一次采用四分位數(shù)法對(duì)患者分組.

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      5. Results SUA in quartile correlated with increasing IMT and severity of plaque in the elderly.
      結(jié)果血尿酸四分位組分析顯示,隨分位數(shù)增加,老年人頸動(dòng)脈IMT及斑塊嚴(yán)重程度增加.

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