再分别计算出各层的最优样本轮换率和总体的样本轮换率。
Then the paper computed the best sample rotation rate for each stratum and the whole.
一个差劲的采样策略并不能产生一个我们需要的代表总体的样本,而统计管理不太可能弥补这一点。
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.
另外,你可以验证需求、样本数量以及验证点,以确保质量的总体评价结果。
In addition, percentile requirements, sample counts, and verification point failures can all be tracked to validate the overall quality of your measurements.
有许多 推论统计步骤(根据样本数据估计总体参数的方法)可以被充分利用,但目前却没有应用它们。
An array of inferential statistical procedures (methodologies for estimating population parameters based upon sample data) could be fruitfully exploited, but at present are not being applied.
当您试图从样本统计数据得出有关总体参数的结论时,就会出现这些解释上的困难。
These interpretive difficulties arise when you try to draw conclusions about a population parameter from a sample statistic.
换句话说,您能根据从样本获得的结果对新斯科舍省的啤酒消费者总体作出推论吗?
In other words, can you make an inference about the population of Nova Scotia beer drinkers on the basis of results obtained from the sample?
不同样本中甲状腺肿的患病率在12.2%到77.7%的范围内变化,总体为38.8%。
The prevalence of goitre in the different samples ranged from 12.2% to 77.7% and was 38.8% overall.
然后,通过实例的考查,间接地估算了样本总体的相对标准差。
Then the relative standard difference is estimated indirectly from the research of the examples.
应用非参数核密度估计方法,可以由样本直径结构很好地描述总体直径结构,而无需假定总体的直径分布。
The population diameter structure can well be described by using nonparametric kernel method based on the sample data without assuming the population diameter distribution.
其次,从版面位置、版面尺寸以及楼盘类型三个方面对本次研究所抽取的样本进行了总体性的描述;
Second, it gives an overall description of the chosen samples in terms of page position, page size, and kinds of building projects.
针对日益增长的海量数据和信息,通常采取有效的采样技术对大数据集进行采样,然后通过对样本的分析得到数据总体的相关模式。
With the rapid increase of the data and information, usually sampling technology is an effective method with very large dataset, and then the pattern of the whole dataset is obtained.
如果你…像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值。
When you get — this is Rituparna, counting the leaves on a tree — you can estimate, from a sample, the population expected values.
针对以往并购绩效研究的缺陷,本文分别研究了总体样本和分类样本的并购绩效变化规律。
It studies not only the overall but also the classification mergers and acquisitions performance changes laws against previous research deficiencies.
显然,出于方便而选择的一个或几个地区内的被访问的中国人样本,不能可靠地代表研究者感兴趣的更大的总体。
Clearly, a sample of Chinese interviewed in a locality or localities selected for convenience does not reliably represent a larger population of interest.
利用样本分位数构造检验统计量,给出来自于指数分布总体异常数据的一种检测方法。
A method of detection of outliers from the exponential distribution is given by sample fractile to construct test statistics.
对于残缺的样本观测数据,讨论了正态分布总体尺度参数的区间估计问题。
A question of formation confidence interval for scale parameter of normal distribution from incomplete observational data is discussed.
对于样本均值估计总体均值,给出了基于误差限制的样本容量的计算式。
The calculation formulas of sample size based on the error limitation are given for estimation of population mean.
对简单随机不放回抽样,在总体非敏感属性个体比例未知的情况下,给出了两个子样本容量的最优配置。
Under simple random sampling scheme without replacement and unknown proportion of population possessing neutral attribute, the optimal allocation of sizes of two sub-samples is given.
捕获再捕获与捕获移出研究是数理统计的一个重要方向,它研究如何利用随机样本估计有限群体的总体数目。
The field of capture-recapture and removal is an important direction of mathematical statistics, which studies the estimation of the sizes of finite populations from incomplete random samples.
我们有几种不同的方式去定义这个概念,取决于我们指的是,样本均值还是总体均值。
We can define it in a couple of different ways depending on whether we're talking about sample mean or population mean.
对指数分布总体,给出了异常值检验费歇型统计量的大样本近似分布。
The approximate distribution of Fisher's statistics for exponential sample is given.
OD调查的目的是利用调查所得的OD数据对样本总体的均值作出统计推断。
The purpose of OD investigations is to make statistical estimation of the average value of the samples based on the OD data obtained.
本文将电网中可获得的大量故障录波数据作为实测数据样本应用于总体测辨法建模,为建模工作提供了一个重要的数据来源。
This article that makes a lot of power available fault recorder data as the measured data samples into measurement-based method modeling, provides an important data sources for load modeling work.
在假设总体服从正态分布的条件下,设计了抽样区间,样本容量和控制限都变化的全变化参数的中位值-极差联合控制图。
Under population follow normal distribution hypothesis, designing combine median-range adaptive control charts with variable sampling interval, variable sample size and variable control limit .
本文给出了总体方差矩估计检验的样本崩溃点,并分析了该样本崩溃点的渐近正态性。
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.
其基本思路是通过模糊概率把模糊数学理论和数理统计方法结合起来,从而可以由样本推断总体的等级隶属度。
The model combines fuzzy mathematics theory with statistical methods by using fuzzy probability. The model deduces the membership degrees of the general aggregate from the degrees of the sample.
效果“用来描述统计样本结果能更精确估计真实的总体误差率的可能性。”
The term effectiveness is used to describe the likelihood that the statistical sample result will be more accurate estimate of the true population error rate.
不同性别、年龄、收入和职业的样本对总体服务质量的评价没有显著性差异,不同文化程度的样本对总体服务质量的评价存在显著性差异。
Different gender, age, income and occupation sample's evaluation to overall quality has no significant difference, but the different educational level of the sample has significant difference.
不同性别、年龄、收入和职业的样本对总体服务质量的评价没有显著性差异,不同文化程度的样本对总体服务质量的评价存在显著性差异。
Different gender, age, income and occupation sample's evaluation to overall quality has no significant difference, but the different educational level of the sample has significant difference.
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