Two sided test 双向检验 ; 双侧检定 ; 两面测验
two-sided test [统计] 双侧检验 ; [统计] 双侧检定 ; 两侧验证 ; 对于一个双侧测试
two-sided test of hypothesis 双侧假设检验
test of two-sided 双侧检验
One- and two-sided test 单侧检验与双侧检验
two one-sided test 双单侧检验
two-sided t-test 双侧t检验
two sided t-test 双侧t检验
two-one sided test 双单侧检验法
two-sided hypothesis test 双边假设检验
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 second one is two-sided hypothesis test problem.
第二个是双边假设检验问题。
Sometimes the comparison between the drug effects of the two kinds is needed with the mean equivalent of two sided t-test; then the dose of a drug can be gradually extended.
用均值等效二次单侧检验方法，并对其逐步推广，从而对处理组与对照组进行检验，确定是否等效。
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