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[数]样本分布，抽样分布；采样分布
1、sampling distribution───采样分布；[数]抽样分布；取样分布
2、cluster sampling───分群[组]抽象法；分组取样；类集抽样；巢式抽样法
3、quota sampling───配额取样；[经]定额抽样；定额抽样（法）
4、multistage sampling───多级采样; 多级抽样; 多级抽样法; 多级取样；[统计]多级抽样
5、unstratified sampling───非分层取样
6、impertinence sampling───不恰当抽样
7、crut distributions───粗糙分布
8、convenience sampling───便利抽样；方便抽样；任意抽样；方便抽样，任意抽样
9、sampling error───[数]抽样误差；取样误差，抽样误差，采样误差
1、negative note, you discovered that PHP has no native access to sampling distributions, which is a requirement for implementing most statistical tests.───不利的一面，您发现 PHP 对于取样分布缺乏内在手段，而这是实现大多数统计测试所必需的。
2、Sampling distributions of mean direction and resultant length were used to develop control charts respectively reflecting the central tendencies and positions of the Angle process.───平均方向和合向量长度的抽样分布，研究反映角度过程集中程度的合向量长度控制图和反映角度过程集中位置的平均方向控制图。
3、The included file, Distribution.php, contains methods that generate sampling-distribution statistics for several commonly used sampling distributions (Student t, Fisher f, Chi Square).───所包含的文件Distribution . php包含了为几个常用的抽样分布(t分布、f分布和X平方分布)生成抽样分布统计信息的方法。
4、CLM assumptions and Sampling Distributions of the OLS Estimators───经典假设与OLS估计量的样本分布
5、P-norm Distribution and Its Sampling Distributions───P-范分布及其抽样分布