1. Suppose X and Y are strongly positively correlated. Provide three interpretations of this

correlation. Use these interpretations to describe the often heard saying "correlation

isn't causation."

2. Using scientific reasoning, how would you go about researching the potential impact of

obtaining a college degree on lifetime earnings? What would be your hypothesis and

how would you derive it? How would you go about testing your hypothesis? Be as

specific as possible.

3.How has the distribution of income changed over time in the United States? Be as

specific and detailed as possible. What are the potential upsides and downsides to this

pattern? Explain fully.

4.How is poverty defined? In your opinion, are people below the poverty line "poor?"

Why or why not? Lastly, what are the possible explanations for poverty, and which one

do you find most compelling? Link up this last answer to your reading of Hillbilly Elegy.