quartile是什么意思_quartile怎么读_中英文释义(含例句用法)

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).

词态变化

1. The upper quartile is that value above which 25 per cent of the observations lie.: 上四分位数是25%的观察值位于其上的值.

2. Those in the quartile of FEV 1 decline were defined as fast declines.: FEV1下降的四分位数最高值即定义为快速减退.

3. There were Therefore only 28 % of students in the top quartile are from lowerlower - income families.: 因此,在高水平学生中只有28%的人来自低收入家庭.

4. Furthermore, this series is the first one in which patients have been distributed according to quartile.: 此外, 该系列研究第一次采用四分位数法对患者分组.

5. Results SUA in quartile correlated with increasing IMT and severity of plaque in the elderly.: 结果血尿酸四分位组分析显示,随分位数增加,老年人颈动脉IMT及斑块严重程度增加.

upper quartile length 上四分位长度...

quartile deviation 四分位差

first quartile 第一四分位数...

upper quartile 上四分位数,上四分值...

second quartile 第二四分位数

quartile measurement 四分位量度

third quartile 第三四分位数

quartile coefficient 四分位系数

quartile division 四分位分法

quartile deviation 四分位偏差

first quartile 第一四分位数

upper quartile length 上四分位长度

lower quartile length 下四分位长度

lower quartile 下四分位

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