In fact, it's lower than the correlation of income changes, which is surprising.

事实上，比收入变化相关性还低，这很奇怪。

耶鲁公开课 - 金融市场课程节选

They would say there is a low correlation between SAT scores and grade point averages in college, or maybe it's a high correlation.

媒体会说,SAT成绩,和大学里的平均学分相关性很低,或相关性很高

耶鲁公开课 - 金融市场课程节选