bivariate population bar graph

例句：

1. 1. The bivariate analysis of the data showed that there is a significant correlation between the two variables.
   数据双变量分析显示两个变量之间存在显著的相关性。
2. 2. In this study, we used a bivariate method to analyze the relationship between income and education level.
   在这项研究中，我们使用双变量方法来分析收入和教育水平之间的关系。
3. 3. The bivariate regression model was used to predict the future trends in the market.
   使用双变量回归模型预测市场未来趋势。