What is the relationship between SAT scores and freshman year success? What does it mean if the relationship is small?
If, let's say, our predictions (based on SAT scores) are only 55% accurate, should we still use them? Why or why not?
If we observe a very high correlation between eating a full breakfast and success on standardized testing does this mean that eating a full breakfast causes high performance on a test?
Finally, think about the following phrase: Correlation does not equal causation. What does that mean?