查询词典 null function

Indicates that we reject the null hypothesis at the 10 % level .

表明， 我们拒绝空假说在10 %级。

Sample size of 275 patients per arm would provide at least 90% power to test the null hypothesis.

在这里需要注意的一点是，样本量的计算是基于非劣效检验。

Our goal: use the evidence in a randomly selected sample of data to decide whether to accept the null hypothesis.

我们的目标：利用一个随机选取的样本提供给我们的证据来决定是否应当接受零假设。

Indicates that we reject the null hypothesis at the 5% level .

表明， 我们拒绝空假说在5%水平。

You want the null hypothesis, that the data are normal, to be true.

这个检验中，你不希望拒绝原假设，而希望证明数据是满足正态性的。

If we reject the null hypothesis that but cannot reject , we find evidences supporting eggs first.

如果零假设拒绝了却不能拒绝，则我们发现了蛋在先的证据。

In an investigation of the relationship between variables X and Y, which of the following would most likely be the null hypothesis?

在一个变量之间关系的调查，X和Y，下列哪一项最有可能空假说？

It used to be that the goal in econometric work was to get results that were statistically significant, to reject the null hypothesis.

以前，计量经济学的目标，是找到一个具有统计显著性的结论，排除掉"零假设"。

Type I Error -- When the null hypothesis is rejected but it is actually true.

第一类错误--原假设为真而拒绝了原假设。

Which of the following statements is a correct Null Hypothesis for

下列哪一叙述是Hans 和Henri实验中的虚无假设？

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样