• 1. two-one sided test: 双单侧检验法
• 2. two one-sided test: 双单侧检验
• 3. two one-sided t-test: 双单侧t检验

更多释义

• 1.The second one is two-sided hypothesis test problem.
  第二个是双边假设检验问题。
  dict.yoduao.com
• 2.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。
  dict.yoduao.com

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