2) Estimate the new model. Attach the three output tables for model summary, ANOVA, and coefficients. 3) Test whether this model is signicant (i.e., H0 is R2=0) at a 0.05 significance level. 4) Draw a line chart which compares the predicted and observed sales for Tropicana Premium 64 oz. 5) Explain why the new model is better than the model in Question 1 in terms of (1) model performance/fit and (2) marketing/economic intuitions. 6) Identify which coefficients are significant at a 0.05 significance level. What do the test results imply