C) 2 points Create a variable equal to the average of the civil liberties (i cl) and political rights [fh pr) scores. Then create two dummy variables: one called "free" that is equal to one when the average freedom score is less than 3, and zero otherwise; and another called "unfree" equal to one when the average freedom score is greater than or equal to 3, and zero otherwise. Regress life ertpectancir on GDP, GDP 2, Gini, and Free. Then estimate the same regression using the Unfree variable instead of the Free variable. Compare the two models and explain the results. What happens when you include both 1- ree and Unfree in the sarne Inodel