Simple random sampling is the best way to pick a sample that's representative of the population. Learn how it works in our ultimate guide.
网络简单随机抽样;简单随机取样 网络释义
random sampling 任意取样,随机抽样,抽查取样,抽样 random sampling without replacement 不放回随机抽样,不重复随机抽样 method of random sampling 随机抽样法 unrestricted random sampling 无条件限制随机抽样,无限制随机采样,非限制随机抽样 random sampling oscilloscope 无规取样示波器 restricted random sampling ...
单纯随机抽样(simple random sampling) 相关知识点: 试题来源: 解析 单纯随机抽样:这种方法的基本原则是每个抽样个体被抽中选人样本的机会是相等的,也即把目标人群中的每一个个体都作为抽样的对象。简便、易行的科学抽样方法是利用随机数字表。单纯随机抽样首先要有一份所有研究对象排列成序的编号名单,再用随机的方法...
简单随机抽样(Simple random sampling) 简单随机抽样也称为单纯随机抽样、纯随机抽样、SPS抽样 ,是指从总体N个单位中任意抽取n个单位作为样本, 使每个可能的样本被抽中的概率相等的一种抽样方式. 简单随机抽样是其它抽样方法的基础,因为它在理论上最容易处理, 而且当总体单位数N不太大时,实施起来并不...
百度试题 题目[名词解释] 简单随机取样(simple random sampling) 相关知识点: 试题来源: 解析 就是按随机原则直接从总体N个单位中,抽取n个单位作为样本。反馈 收藏
In simple random sampling, researchers collect data from a random subset of a population to draw conclusions about the whole population.
释义 简单随机抽样 实用场景例句 全部 In asimple random sampling, the sample mean is an unbiased estimate of the population mean. 在简单随机抽样中, 样本均值是总体均值的无偏估计. 互联网 Two kinds of estimators were compared under PPS sampling andsimple random samplingwith replacement. ...
simple random sampling:A sample of n subjects is selected in such a way that every possible sample of the same size n has the same chance of being chosen 相关知识点: 试题来源: 解析 简单随机抽样:由N个个体组成的样本,每个个体都是从具有相同样本容量N和相同几率被抽取的样本中选出 ...
With a simple random sample, there has to be room for error represented by a plus and minus variance (sampling error). For example, if a survey is taken to determine how many students are left-handed in a high school of 1,000 students, random sampling can determine that eight out of t...