查询词典 null hypothesis

The alternative hypothesis specifies what is true if the null hypothesis is not.

替代假设给出在零假设不成立时的真实情况。

Some methods on how to establish null hypothesis and alternative hypothesis are formulates with some examples.

然后结合实例来阐述建立原假设和备择假设的一些方法。

Whenever we reject the null hypothesis , the conclusion we do accept is called the alternative hypothesis

无论何时，拒绝无效假设时，我们所接受的结论叫做备择假设。

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。

Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis

无论何时，拒绝无效假设时，我们所接受的结论叫做备择假设。这本书的最后是概要和结论。

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。

In other words, if you use an α level of .01, you will fail to reject the null hypothesis, and your confidence interval would contain the null value.

换句话说，如果你使用α水平为。01，你就不能拒绝零假设，你的置信区间将包含零值。

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。

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。

I use an example quoted by Hu Jiaqi:"It is reported that America separates the DNA of a kind of virus by making use of genetic technology and combines it with another kind of DNA. Finally, they get a kind of virulent biological agent called a "pyrotoxin". Someone discloses in private that 20 grams of such a kind of biological agent could result in the global death of 6 billion people due to infection."

我在这里例举胡家奇所引用过的例子："据报道，美国利用转基因技术，将一种病毒的DNA分离出来，与另外一种DNA进行结合，拼结成一种剧毒的"热毒素"生物战剂，且私下有人透露，这种生物战剂只需20克，就可以导致全球60亿人全部感染死亡。"

Waiting, for the queers and the coons and the Reds and the Jews.

等待着疯子和黑人还有红色共产主义者还有犹太人