1. Explain in detail, why the chosen variable is your explanatory variable and response? 2. Calculate the Least Square Regression Line (line of best fit) without using your calculator. Show your work- using the means and standard deviation of each variable.

3. Predict an individual that is not on your list. Be clear on what value you're predicting and interpret the response variable in context. Show your work.

4. Predict the residual for the 8th country on your list. Interpret the residual in context. Show your work.

5. Explain why predicting a data value outside of your collected data results in unconfident predictions?