two one-sided test 双单侧检验
two one-sided t test 双单侧t检验
two one-sided t-test 双单侧t检验
two-one sided t test 双单侧t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
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The second one is two-sided hypothesis test problem.
第二个是双边假设检验问题。
youdao
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。
应用推荐
模块上移
模块下移
不移动