null hypothesis testing是什么意思

用法例句

Objective: This paper concerns the design and analysis of phase IV clinical trial under non-null hypothesis.

目的:论述非虚假设IV期临床试验的设计与分析。

Objective:The matched-pair design is generalized to the situation with non-null hypothesis and stratification.

目的:将配对设计加以扩展,以适应非虚假设和分层。