You are investing the relationship between income and feelings about social policy, where social policy is measured on a scale of 0 to 100. You find a Pearson's R of -0.5, with a p-value of 0.001. 1. Which variable goes on the x-axis of your scatter plot? 2. Which variable goes on the y-axis of your scatter plot? 3. What is the direction of the relationship between your IV and your DV? 4. How much better are we at guessing the value on our DV, if we know the value on our IV