bivariate binomial distribution

例句：

1. 1.In this study, we used a bivariate analysis to investigate the relationship between two variables.
   在这项研究中，我们使用了一个双变量分析来研究两个变量之间的关系。
2. 2. The bivariate analysis showed that there is a significant correlation between the two variables.
   双变量分析显示，这两个变量之间存在显著的相关性。
3. 3.The bivariate analysis revealed that the relationship between the two variables is not linear.
   双变量分析揭示了两个变量之间的关系不是线性的。