null hypothesis

null hypothesis 基本解释

[计] 虚假说, 零假说
[化] 零假设; 原假设

词组短语

1、null hypothesis definition 无效假设定义

null hypothesis 用法和例句

1、On the Asymptotic Properties of Nonparametric Likelihood Ratio Test Under Composite Null Hypothesis

复合零假设下非参数似然比检验的渐近性质

2、We derived the asymptotic distribution of the proposed test statistic under the null hypothesis.

在零假设下，得到了检验统计量的渐近分布。

3、The fluctuations of allele frequency were obtained under the null hypothesis and alternative hypothesis.

试验考察了零假设和备择假设下等位基因频率的变化。

4、As a result, the denominator and numerator should be about equal if the null hypothesis is true.

因此，如果无效假设为真，那么分母和分子应该差不多相等。

重点词汇

null adj. <术>零值的；等于零的；（协议） 无法律效力；失效的

hypothesis n. 假设，假说；[逻]前提