1、In statistics, bivariate analysis is used to study the relationship between two variables.
在统计学中，双变量分析被用来研究两个变量之间的关系。

2、The researcher conducted a bivariate regression analysis to examine the correlation between income and education level.
研究人员进行了双变量回归分析，以检验收入和教育水平之间的相关性。