bivariate sample

例句：

1. 1. In this study, we used a bivariate analysis to examine the relationship between income and education levels.
   在这项研究中，我们使用了一个双变量分析来研究收入和教育水平之间的关系。
2. 2. The bivariate analysis revealed that there is a significant correlation between temperature and precipitation.
   双变量分析显示，温度和降水之间存在显著的相关性。
3. 3.The bivariate regression model was used to predict the future sales of the product based on its historical data.
   使用了双变量回归模型，根据产品的历史数据预测其未来销售量。