...如果用双侧检验则从2.5百分位数到97.5百分位数为正常值，如单侧检验，测量数值过大为不正常则上限定于第95百分位数（percentile）作为截断值；如果测量数值过小为不正常，则定在第5百分位数，其下为异常。那么在人群中不正常者即被确定为5％。
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percentile rank [统计] 百分等级 ; 百分位数 ; 百分比排名 ; 百分级数
Percentile curves 百分位曲线
Q-percentile life 可靠寿命
percentile scale 百分量表
percentile curve 百分位数曲线
Percentile method 百分位数法 ; 百分位法
Percentile Values 百分位数 ; 分位数 ; 百分位值
percentile norm 百分位数常模
percentile ranks 百分等级 ; 计算百分位数等级
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N-COUNT A percentile is one of the equal divisions of an amount, expressed on a scale from 0 to 100. The 90th percentile of an amount is all amounts between zero percent and ninety percent. 百分位数 [usu with supp]
She says blacks who identify with the Democratic Party have fallen from the 90th percentile down to around 70 percent.
她说黑人中支持民主党的人数比例从百分之九十下降到大约百分之七十。
Generating and analyzing percentile reports.
生成和分析百分比报告。
The concentration of income earned by this top percentile now stands at its highest since 1928.
这是自1928年以来最富人口收入集中度达到的最高值。
On a body weight basis, this is equivalent to 0.8 and 0.4 mg/kg bw/day at the average, and 1.7 and 1.0 mg/kg bw/day at the 95th percentile.
若以单位体重表示则分别为每天每公斤体重0.8毫克和0.4毫克，第95百分位情况下分别为每天每公斤体重1.7毫克和1.0毫克。
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