Pearson's correlation coefficient

例句：

1. 1. The Pearson correlation coefficient between the two variables is 0.85, indicating a strong positive relationship.
   两个变量之间的皮尔逊相关系数为0.85，表明它们之间存在强烈的正相关关系。
2. 2. In this study, we used the Pearson correlation coefficient to measure the relationship between income and happiness.
   在本研究中，我们使用皮尔逊相关系数来测量收入与幸福感之间的关系。
3. 3. The Pearson correlation coefficient was calculated using the data from the survey, which showed a significant positivecorrelation between education level and job satisfaction.
   通过调查数据计算得出的皮尔逊相关系数显示，教育水平与工作满意度之间存在显著的正相关关系。