one-sided alternative [数] 单侧替换 ; 单侧对立假设
one-sided alternative hypothesis 单边对立假设
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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。
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