查询词典 statistic hypothesis testing

In addition, the preferences are described by the common utility functions and S-shaped value functions in the system. A small number of experiments are conducted through a statistical hypothesis testing, and the latter are shown a better performance.

另外，我们首度将S型价值函数纳入协商双方的价值衡量，并运用统计检定方法，证实价值函数与一般普遍使用的效用函数在成交提案与最佳提案之差距具有显著差异，且价值函数结果优於效用函数。

Students will learn Descriptive Statistics, Probability and Random Variables, Probability Distributions, Sampling and Sampling Distributions, Statistical Estimations, and Hypothesis Testing in Statistics.

同学们将在统计学中学习叙述统计量的意义与计算、机率与随机变数、机率分配、抽样与抽样分配、统计估计、假说检定等基础统计方法。

This course includes descriptive statistics, probability distribution, sampling distribution, statistical estimation, hypothesis testing, analysis of variance, chi-square tests, simple linear regression, multiple regression, and nonparametric statistics.

本课程内容包括叙述统计、机率分配、抽样分配、统计估计、统计假设检定、变异数分析、卡方检定、简单线性廻归、复廻归、无母数统计。

What we can more comfortably say is that a statement in positive economics (e.g., price/wage stickiness causes unemployment) can be corroborated or rejected by looking at the facts because a scientific approach can be taken in verifying it (through statistical analysis such as hypothesis testing).

或许，比较准确的说法是，客观经济学（如当你说，价格/工资黏性造成失业）可以经过科学系统化的求证（如通过统计分析的假说验定）后予以接受或排除。

The contents include:(1) Descriptive statistics;(2) Probability and probability distributions;(3) Statistical inference - estimation and hypothesis testing;(4) Nonparametric methods;(5) Analysis of variance;(6) Regression analysis.

讲授内容包括：叙述统计；机率、机率分配─统计推论的基础；推论统计─估计和检定；无母数分析；变异数分析；回归分析。

The course covers the following topics: overview of quantitative research designs including survey research, experimental and quasi-experimental research, and correlational research; measuring of reliability and validity; sampling, hypothesis testing and statistical significance, correlational analysis, tests of mean differences, tests of frequencies, analysis of variance, linear regression, and multiple regression.

课程主要容包括问卷调查法，实验研究法，相关研究法，抽样方法，测验信度与效度，X2考验，相关分析，t考验，变异数分析，单回归，多元回归。

Mathematical model analysis of wheatcultvars ecotypes evolution, through the 2005-2006 study of five wheat-522 samplesof wheat Ecological Survey, take hypothesis testing statistical methods to the analysisof the regional differences were significant problems 1 while wheat cultvars, and late-maturing varieties of early maturing varietiescan not meet the needs of production, gradually been eliminated, while early varietiesto be preserved.

本论文研究主要结论有： 1、在品种更替过程中，早熟品种和晚熟品种所占比例分别由80％和30％降低为零，两种生态型逐步遭到了淘汰，而中早熟品种得到了保留，由1978年的零分布增加到2005年的46％。 2、偏春性和冬性品种分别1988年至1996年和1991年至1993年和的变化较大，其动态变化度分别为1和0.66。

On the basis of statistical analysis to the 15 hypothesis of affecting factors, this research also uses the parallel testing method, which employed by the researchers of UCLES while they investigate the validity of contextualized test questions, for reference to give a making-up study to the affecting factors.

在量化统计研究的基础上，本研究又借鉴英国剑桥大学考试委员会的研究者在研究试题的情境化效度时所使用的对比测试研究方法，对部分影响因素作了进一步的补充研究，以探讨利用统计方法不能得到的一些规律。

Of statistics to the estimation and hypothesis testing of parameters for stochastic differential equation.

本文由四章构成。第一章给出了本文中主要涉及的定义和定理。

Univariate indices are not adequate for assessing the capability of processes with multiple characteristics. Among all developed multivariate process capabilities, index has the most accurate estimation of Cpm. takes into account both the ratio of the tolerance region to the process region and the probability of nonconforming product. However, the exact probability distribution of is too complicated to be derived. Consequently, the related hypothesis testing and confidence interval cannot be developed.

在众多的指标当中，单变量制程能力指标的发展已趋成熟，而多品质特性的制程能力指标还在持续的发展中，其中多品质特性制程能力指标是所有多品质制程能力指标中估计值最准确的指标，但在利用多品质制程能力指标Cpm来评选两个制程的制程能力时，由於指标之机率分配过於复杂，迄今未能推导出其相关的统计假说检定或信赖区间，因此无法发展出检定两个制程能力指标Cpm是否有差异的统计检定程序。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。