random sample的例句大全

Small sample properties are derived for the estimator from simple random samples.

我们推导简单随机抽样下该估计值的小样本性质.

The interviews were given to a random sample of students.

随机抽选出部分学生进行了采访。

The survey used a random sample of two thousand people across England and Wales.

该调查在英格兰和威尔士随机抽样了2,000人。

A random sample of 50 flights was taken over a 30 period.

50个航班随机抽样样本是经过30天获取的.

The Random Access Memory ( RAM ) holds the input sample data are brought in and processed.

随机存取存储器 ( ram ) 存放着送入进行处理的输入采样数据.

In a simple 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.

The survey used a random sample of two thousand people across England and Wales...

该调查在英格兰和威尔士随机抽样了2,000人。

The principle of random sample for digit save oscilloscope

数字存贮示波器的随机采样原理

The principle of the random sample for digit save oscilloscope ( DSO) is studied. A method of measuring the time between a trigger event of the input signal and next sample clock is developed.

讨论了数字存贮示波器的随机采样原理.给出了测量触发点与下一采样时钟间隔的方法；

In the second stage, the outcome is a random sample from a Bernoulli distribution with this winning probability.

在第二阶段中，结果是来自伯努利分配与这次获胜率的一个随机样本。

Using random sample method, we give out 400 questionnaires in 8 middle school of Zhoukou city, callback 351 questionnaires, at last, we get 323 available questionnaires, and the rate of available questionnaires is 80.75%.

采用随机抽样的方法，在周口市8所中学发放400份问卷，回收351份，其中有效问卷为323份，有效问卷回收率为80.75%。

Less than half of a random sample (N = 211) of high school health teachers formally teach about homosexuality.

不到一半的随机抽样例（211）高中教师健康正式教同性恋。

The survey used a random sample of two thousand people across England and Wales

该调查在英格兰和威尔士随机抽样了2,000人。

And will describe a real-time body parts recognition algorithm which is based on self-made depth image sample library, local gradient feature extraction and combined with random forest learning.

本文主要讨论利用深度图像进行人体部位识别的问题，将阐述一种利用自制的深度图像样本库，提取局域梯度特征，结合随机森林学习的实时人体部位识别算法。

Disturbed by random selection within a certain number of particles in the sample, calculate the sample mean and variance of the target space, which is proposed for the maximization and minimization problems of the robust model ofa single target, and extended to multiple targets. 4.

通过随机选取粒子扰动范围内一定数量的样本，计算出样本目标空间的均值和方差，由此提出了针对最大化和最小化问题的鲁棒模型，并推广到多个目标的优化命题。

The other technical capacity inspection of the product asked is performed, when the sample are some of the products, get the random samples from the product group according to the required numer of inspection items.

对于产品所要求的其他技术性能，若用制品检验时，根据检验项目所要求的数量从该批产品中随机抽取。

In a 2011 study, researchers led Dr. Yonas Geda at the Mayo Clinic in Rochester interviewed a random sample of 1,321 people ages 70-89, most of whom were cognitively normal, about the cognitive activities they engaged in late in life.

在2011年的一项研究中，由罗切斯特市马友诊所的约纳斯啸杰达博士带领研究人员随机采访了1，321名年龄在70岁至89岁的人，他们中大部分人在认知方面是正常的，研究人员针对他们晚年从事的认知活动进行了访问。

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。

The Stratified Random Sampling Method and Small Sample Testing

分层随机抽样方法与小子样检验

Secondly, this article established indicators of employee satisfaction survey system in accordance with the actual situation of the YL Company, and evaluated and analyzed comprehensive satisfaction of YL staff through a random sample survey.

研究根据YL公司实际情况，建立了员工满意度测评的指标体系，并采用简单随机抽样的方法对YL公司员工的满意度进行了全面的测评分析。