To test your null hypothesis, you want to know the probability of obtaining a value this extreme under the assumption that it is due to random sampling variability.
要检验虚假设，需要知道在假设存在随机抽样可变性的情况下获得这么一个极限值的概率。
This test-the-null-hypothesis-first logic applies at multiple stages in the analysis of poll data.
这个“先检验虚假设”逻辑在民意测验数据分析中的多个阶段都适用。
This tool is used to test the null hypothesis that there is no difference between two population means against either one-sided or two-sided alternative hypotheses.
此工具用于检验两个总体平均值之间不存在差异的空值假设，而不是单方或双方的其他假设。
The z-Test tool can also be used for the case where the null hypothesis is that there is a specific nonzero value for the difference between the two population means.
检验工具还可用于当两个总体平均值之间的差异具有特定非零值的空值假设的情况。
And according to the null hypothesis of hypothesis testing, the theory of panel unit root test and co-integration test are systemically described.
其次，按照假设检验的零假设进行分类，系统阐述面板单位根检验和协整检验理论。
These data had been analysed with statistics, and test of null hypothesis indicated that Abies sp. are less important diets than the two above.
对解消假设检验显示，冷杉叶是滇金丝猴的很次要食物。
These data had been analysed with statistics, and test of null hypothesis indicated that Abies sp. are less important diets than the two above.
对解消假设检验显示，冷杉叶是滇金丝猴的很次要食物。
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