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null hypothesis
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Vertaling van "null hypothesis" in Chinees
Definitie
Statisticians use the chi-square distribution to decide whether to reject a null hypothesis.
统计学家利用卡方分布来判断是否应当拒绝原假设。
The expected score under the null hypothesis that there is no difference among class levels.
在分类水平无差别的原假设下的期望得分。
Finally, decide whether to accept or reject the null hypothesis.
最后，决定是否接受或拒绝零假设
Select a significance level (a), a probability threshold below which the null hypothesis will be rejected.
选择一个显著性水平 （a），若低于这个概率阈值，就會拒绝零假设。
The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.
无效假设这个概念产生于早期的统计学在农业和医学方面的应用中。
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。
Large values of the test statistic lead to rejection of the null hypothesis and the conclusion that the model does not fit.
大的检验统计量值导致拒绝原假设并得出模型未拟合的结论。
The null hypothesis is that the group means or medians are in the same location across groups.
原假设是组均值或中位数位于各组的同一位置。
Shows the likelihood ratio chi-square test of the null hypothesis that the parameter estimates for the effects of the covariates is zero.
显示协变量效应的参数估计值是零这个原假设的似然比卡方检验。
The standardized test statistic, which has an asymptotic standard normal distribution under the null hypothesis of no difference in means.
标准化检验统计量，服从在均值无差异这一原假设下的渐近标准正态分布。
The expected value of S under the null hypothesis.
原假设下 S 的预期值。
This is a nonparametric test whose null hypothesis is that the median equals the postulated value.
这是一个非参数检验，其原假设是中位数等于假设值。
Shows the sampling distribution of the difference in the means, assuming the null hypothesis is true.
显示均值差值的抽样分布，假定原假设为真。
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