Correlation and Regression

1. Give an example of two variables that you would expect to have a correlation close to or equal to 1. 2. Give an example of two variables that you would expect to have a correlation close to or equal to -1. 3. Give an example of two variables that you would expect to have a correlation close to or equal to O 4. Discuss the reasons and situations in which researchers would want to use linear regression. How would a researcher know whether linear regression would be the appropriate statistical technique to use? What are some of the benefits of fitting the relationship between two variables to an equation for a straight line