• The study is based on a large population sample and took into account other possible factors, such as depression, season and levels of physical activity.

    这项研究基于群体样本并且考察分析了其他可能影响的因素,忧郁季节身体活动水平

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  • Yes I might have only made one or two , but structurally when I said here how many people did we sample in this population and what percentage of the population is that?

    可能打了个,但是结构上当我,多少我们人群当做样本,人群百分比是什么?

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  • So do you remember here that the premise point to a sample of population and the conclusion extrapolates to the rest of the population.

    你们记得这里前提人群样本结论假设其他人群。

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  • Great care was taken to try and get a representative sample of the general population.

    受访人群都是经过细心挑选能够代表大众

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  • These are called population measures because they refer to the whole population of possible outcomes and they measure the probabilities. It's the truth, but there are also sample means.

    这种称为人口测量学,因为他们整个人口可能结果输出测量概率事实样本均值。

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  • What Chinese and Americans alike do not seem to realize is that they are using a poor sample to make inferences about the underlying population.

    中国人美国人看来都了解他们使用充分样本基本人群做出推论。

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  • Yet if traffic figures are divided by population, a somewhat different (and more meaningful) picture emerges: South Korea is and will be the world's most data-hungry country in Cisco's sample.

    然而假如流量数字人口均分一种有点不同的(而且有意思的)情况出现了思科的样本,韩国现在并且成为世界数据荒国家

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  • And statistical controls are unlikely to compensate for a poor sampling strategy that does not yield a sample representative of the population to which we want to generalize.

    差劲采样策略并不能产生一个我们需要的代表总体样本统计管理可能弥补一点。

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  • However, given the small sample size and limited nature of the population studied, naturally these results should be taken with a grain of salt until replicated by other researchers.

    研究对象范围以及研究对象局限性其他研究者进行研究前,对此研究结果谨慎态度

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  • At the national level it is easy enough, though expensive, to account for this by surveying CPOs and including them in the sample in proportion to their share of the population.

    尽管昂贵,但从国家水平来看,民意调查CPOs总人口比例计算,调查就会容易。

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  • Thus, because we have such a large and diverse sample size, including women from 40 sites across the nation, our results can be generalized to a healthy population.

    因为我们应用大量不同样本包括国家40个地区妇女我们结果可以推广健康人群

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  • Existing socioeconomic databases were used to ensure a fair population sample. Once identified, the interviewees were telephoned and asked to complete a short questionnaire with a trained interviewer.

    为了确保公平性所选择人群样本全部使用现有的社会经济数据库受访者打电话专门经过培训的工作人员询问并且在受访期间要求填写一份简短问卷

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  • Limitations of this study include the heterogeneity of the population used and the small sample size.

    这项研究限制包括使用群众差异性大,且样本数目较小

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  • To study the samples in minimum interval, it is beneficial to differentiate abnormal sample from population. The method can be used in appraisal and distinguish of the geological objects.

    最小标度区间内研究样品有利于区别不属于同一母体异常样品这个方法适用地质对象的评价分类判别

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  • Methods Random sample were obtained from the whole population by multiple stratified cluster and 1 320 objects were surveyed in their own homes by questionnaires.

    方法采用阶段抽样和配额抽样相结合的方法,对深圳市1 320名居民进行入户问卷调查。

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  • The involves the methods of design study, target population, sampling method and the techniques that were used to select the sample size.

    涉及设计方法研究中,需要根据目标人群抽样方法技术选择样本大小。

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  • This paper made empirical research on the relationship between the labor migration and urban unemployment in China according to the sample survey data of 1% population in 2005.

    本文通过2005年1%人口抽样调查数据我国劳动力流动城市失业之间关系进行了经验研究

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  • Whether the psychological construction of hardiness can be popularized in various population of China still needs more analysis of robustness and applicability in multiple-sample of cross cultural.

    顽强心理结构能否推广到我国各类人群更多文化多样本的稳健性适切性分析

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  • In this paper, We give the sample breakdown point of a test for moment estimation of population variance and analyze the asymptotically normal characteristic of the sample breakdown point.

    本文给出总体方差估计检验样本崩溃分析了样本崩溃点的近正态性。

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  • Finally, the comparison of the statistical population density and the actual population density of the selected sample counties proves the higher precision of the results.

    最后选取某些样本样本县内对比每个乡镇图上人口实际统计人口,结果表明该人口分布数据有较高精度

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  • Results: The most influential parameters of sample size were susceptibility frequency of the genotype, environmental exposure factors in the population, and genetic modes.

    结果主要影响样本大小参数易感基因频率环境因素暴露率基因遗传方式,疾病的发生率样本量影响很小。

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  • The simulated experimental results showed that significance t testing is highly related to population distribution effect size and sample capacities, yet rarely related to the numbers of rand…

    抽样分布样本效果大小平均值可以作为总体效果大小的估计值 ,它样本容量和抽样样本数目有密切关系

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  • Conclusions The MSQA is successfully developed with good reliability and validity coefficient, and can be promoted in large sample population.

    结论青少年亚健康多维评定问卷具有较好的可以更大范围推广使用。

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  • The sample contains both filling and pie crust, just as the population does.

    样本总体一样包括。正在加载用户记忆法…

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  • We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.

    讨论阶段抽样比率估计及其样本量选择问题,给出比率估计抽样均方误差的近似公式及其无偏估计的公式。

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  • The incidence of prostate cancer in these men was compared with the incidence in a sample of men in the general population who were of similar ages and from similar geographic locations.

    研究将这些男性前列腺癌机率相同数量、相同年纪、相同地理位置普通男性发病率进行比较。

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  • The reasons there are two main expressions for population and sample" is that one is biased estimator and the other is not."

    母体样本之所以表达公式,是因为有偏估计一个则不是。

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  • The reasons there are two main expressions for population and sample" is that one is biased estimator and the other is not."

    母体样本之所以表达公式,是因为有偏估计一个则不是。

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