b) Choose the correct answer below. A. Regression models cannot be interpreted causally. The model says nothing about the actual consequence of changing the Literacy Rate. B. Regression models give probabilities, not predictions. The economist should have stated that the GDP will most likely increase $1 billion if the Literacy Rate increases by 5%. C. Regression models can only be interpreted over specific intervals of the regression line. D. Regression models give averages, not predictions. The economist should have stated that the GDP will, on average, increase $1 billion if the Literacy Rate increases by 5%