Better GDP model? Consider again the post-1950 trendin U.S. GDP we examined in Exercise 11. Here are aregression and (on the next page) a residual plot when weuse the log of GDP in the model. Is this a better modelfor GDP? Explain. Dependent variable is: logGDPR-squared = 98.9, s = 0.13185Variable CoefficientIntercept 5.6579766Year-1950 0.070734456

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