Euro-US GDP growth 2017. Is economic growth in Europe related to growth in the United States? Here’s a scatterplot of the average growth in the 19 European countries (% of Gross Domestic Product) vs. the growth in the United States. Each point represents one of the years from 1961 to 2016.

Dependent variable: European Countries GDP Growth R2 = 35.09%
s = 1.773 Variable Coefficient Intercept 0.8703 U.S. GDP Growth 0.6230

a) Check the assumptions and conditions for the linear model.

b) Explain the meaning of R2 in this context.