random sample

随机样本:从一个较大的群体中选择而不使用任何系统、计划或规则的一组人员、数据等。

常用释义

词性释义

随机样本:从一个较大的群体中选择而不使用任何系统、计划或规则的一组人员、数据等。
例句
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And so, I began to think about, well, maybe that's just a random sample.
因此,我开始想,也许这只是个特例。
如果总体中每一成员都有同等机会独立地被选为样本,那就称为随机样本。
而这些案例不是随机样本,所以那些数据无法反映现实,无论那些数据是否对我们有利。
There were 2052 participants and 808 of them having at least one child in school. It was a stratified random sample from Taiwan population.
研究调查20岁以上之台湾地区民众2052位,其中有在学子女者808位,样本为分层随机取样。
Say we take a random sample of one million people from around the planet and put them on a corner in New York City.
比如说,从100万人中随便找一个人让他待在纽约城的拐角。
NORC在美国医学会医生数据库中随机分层选择应答对象。
METHOD: Five sites in the United States and 1 in Canada were chosen, and a random sample of chiropractors was interviewed.
方法:五个地点在美国和加拿大1选择,并以随机抽样方式脊进行了面谈。
不到一半的随机抽样例(211)高中教师健康正式教同性恋。
Finally, to check the effectiveness of the way this paper proposes, a random sample of each kind of semantic relation is hand-checked.
最后,为了验证本文所提方法的有效性,通过对实验结果随机挑选样本进行手工的检查。
In a Melbourne study of smokers, 31% of Chinese men and 14% of Chinese women who responded to the survey were smokers (not a random sample).
一项对墨尔本的烟民调查发现,回应调查的31%的华人男性和14%的华人女性是烟民(非随机方式)。
首先,在山东省某高校籍贯为山东的学生中随机抽取12名学生作为被试对象。
我们使用结构化调查问卷从540随机抽取的至少有一个5岁以下孩童的住户中收集数据。
With the 365 valid data of random sample, this paper has done empirical study of the hypothetical model and scale.
论文利用随机问卷访问获得365份有效样本数据以进行实证检验。
With the 389 valid data of random sample, this paper has done empirical study of the hypothetical model and scale.
论文利用随机问卷访问获得的389份有效样本数据,对理论模型进行实证检验。
A random sample of men and women, aged 55 to 64 years, was drawn from general practitioners' (GP) rosters.
从普通执业医师(全科医师)的花名册上挑选的,年龄在55到64岁之间的男性和女性,进行随机抽样调查。
方法采取整群随机抽样方法选取被试,对抽取的2015名大学生进行匿名自填问卷调查。
the population is divided into strata and a random sample is taken from each stratum.
总体分成阶层后由各阶层抽选出来的随机样本。
调查数据来自分层随机抽样的517个黑人和白人学生在县学区在马里兰州。
作为附加说明,我们要注意的是,Avira的调查报告是基于该公司顾客的随机样本。
Methods A structured history using a questionaire on gastrointestinal symptoms was obtained from random sample 1492 residents.
方法采用整群随机抽样法抽取重庆市居民1492人进行问卷调查。
Setting: Data were obtained from a community-based random sample of racially and ethnically diverse men.
方法:对不同种族的男性进行随机人群抽样调查。
这样一来,由于无法获得随机的抽样,投票只能反映各激进组织的组织技巧和精力。
Those researchers gave it to their sickest patients, not a random sample, and it still worked astonishingly well.
那些研究人员将青霉素给病情最重的患者使用,而不是随机采样,但仍然疗效惊人。
While not a random sample, the survey delivered some shocking results.
这份严肃调查揭示了一些震惊的结果。
In a random sample of 4459 people on the team reviewed to evaluate satisfaction with, the basic satisfaction rate of 99. 76%.
在随机抽取的对班子评议的4459人中,评价满意、基本满意率达到99.
Also, this was a non-random sample.
还有,这是「非随机」抽样。
A robust method for detecting multiple planar regions simultaneity based on Random Sample Consensus (RANSAC) was proposed.
在随机抽样一致性(RANSAC)的基础上,提出了一种对多个平面区域同时进行检测的算法。
Select a sampling method. Do we us a random sample, stratified sample, or cluster sample?
选择一种取样方法,我们是随机抽样、分层抽样、还是整群抽样?
Methods These 1453 floating population were investigated in Zhen an of Shanxi province by cluster-random sample.
方法运用自行设计的调查表对陕西省商洛市镇安县的流动人口进行随机调查。
方法抽取新乡市第一人民医院2009年全部含抗生素处方(不含中药抗菌药),对处方进行统计和分析。