抽样

Based on the survey data and probability theory,the paper studied the age structure of household during sampling survey.

本文以实际调查数据和概率理论为基础，研究抽样调查入户抽样阶段各种统计口径人口的年龄结构。

If we use any method of selecting samples that does not involve probability sampling.

如果我们使用任何选择的样本不涉及概率抽样方法。

Therefore, this chapter deals entirely with probability sampling.

因此，完全符合概率抽样本章交易。

Statistics students study probability theory and sampling theory.

学生学习概率论和抽样法理论。

In probability sampling, a statement of the likelihood that a range of [size=+0]value s i.e.

在随机抽样中，它代表了一组数值成为真实人口数值的可能性。

Methods A Probability Proportionate to Size Sampling was used, and 7913 female sex workers were visited to fill in a questionnaire.

采用按规模大小成比例的概率抽样方法对7913例暗娼进行问卷调查。

In a large population, the probability of sampling error is small and little change to the allele frequencies is expected, even over many generations.

在一个大群体中，抽样误差的概率小，甚至经过许多世代等位基因频率的变化都很小。

Probability sampling designs, estimation and efficiency comparisons.

概率抽样设计，估计和效率比较。

With probability sampling and home interview survey data of Shanghai and Chengdu, we use factor analysis to build the structure of romantic Index Scale.

以上海和成都概率抽样和入户面访的调查资料为依据，采用因子分析方法构建浪漫指数的结构量表。

Utilizing probability proportional to size sampling method, the study sampled 500 faculty members at 51 universities in Taiwan.

针对台湾51所一般大学教师依多阶段抽样进行问卷调查，共发出500份，问卷回收338份，有效问卷335份，回收率66.4％。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。