查询词典 null hypothesis

Null ISO TC184/SC4 WG3 N1223,STEP - NC Implementation- ARM or AIM null , null,Xu X%Mao J A STEP - Compliant Collaborative Product Development System null , 2004,null

刘日良%张承瑞%薛强 STEP-NC数控程序的信息表达与提取方法研究计算机集成制造系统-CIMS ， 2004，12

Hypothesis testing entails using data to compare the null hypothesis with a second hypothesis, i.e., the alternative hypothesis.

假设检验利用数据将零假设和另一个假设进行比较。

We have mainly discussed the different selection of the original hypothesis and the alternative hypothesis which affected the result of hypothesis testing , and put forward a general principle how to select correctly the original hypothesis and the alternative hypothesis.

主要讨论了原假设和备择假设的不同选取对假设检验结果的影响，提出了如何正确选取原假设和备择假设的1般原则。

Adaptability Analysis of Western Relevant Theories to Chinese A Share Markets 1. Theories on IPO's underpricing The empirical results in the dissertation indicate that, among western IPO underpricing theories, Winner's Curse Hypothesis, Investment Bank Monopoly Hypothesis, Band Wagon Hypothesis, Market Climate Hypothesis, Seasoned Equity Offering Hypothesis ect.

五、影响中国A股IPO抑价率及长期收益率的因素本文用分类分组统计及回归模型分析等实证研究方法，对影响中国A股IPO抑价率及长期收益率的各种因素进行了分析，相关因素的影响情况如下表：〓六、西方IPO相关理论对中国A股市场的适应性分析 1。

This paper on the marriage is null and void the legal system, a marriage null and void, declared the marriage null and void marriage is null and void and the procedures of the legal consequences of such areas for an elaboration of the existing void and improve the institution of marriage to be made of some of their own views.

本文试就婚姻无效制度的法律意义、婚姻无效的构成、宣告婚姻无效的程序以及婚姻无效的法律后果等方面作一个阐述，并对我国现行无效婚姻制度尚待改进之处提出自己的一些见解。

Results The incidence of unlineage-associated antigens expression and "null cell" type was 6.78 % in adult AML.The hematopoietic stem/progenitor were expressed in 75 % of the "null cell" type AL cases.In the 10 cases treated,the complete remissionrate was 40 %,"null cell" tyes had significantly higher expression rates of hematopoietic stem/progenitor and Lower CR tate(P 0.05;P 0.05,respectively),compared with those of "non-null cell" type cases observed during the same period.

结果成年人非系列相关抗原表达和&裸细胞&型的发生率在急性髓系白血病中占6.78%，其中早期干/祖细胞表达阳性率为75%，明显高于同期非&裸细胞&型AL(P.05)。10例患者治疗后完全缓解率为40%，明显低于同期非&裸细胞&型AL(P.05)。

Firstly,we discuss whether the proportion of null hypothesis could be estimated, and we give the condition of the identification of the proportion of null hypothesis.

首先，我们对原假设比例的可估性进行讨论，给出了原假设比例可估的条件。

TYPE I ERROR is to reject the null hypothesis when it is true; TYPE II ERROR is to accept the null hypothesis when it is false.

比如最近在统计学课本上看到这么一段话：统计中有两类误差，分别称为一类误差和二类误差。

In single-side hypothesis testing,the exchange of the null hypothesis and alternative hypothesis would induce two different testing results sometimes.

在单侧检验中，有时由于交换原假设与备择假设，会得到两个不同的假设检验结果。

Hypothesis testing involves trying to "prove" the alternative hypothesis by disproving and rejecting the null hypothesis.

假设检验--通过检验分析统计假设。假设检验力图通过否决原假设而&证明&备择假设。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。