help me I am confused

is equal to 7 (10 pts)? Problem set 4: use the following information to answer questions 13-14 (10 points intaly. The following data on fertility rates were obtained from Eurostat on seven European countries in 2008. The covariance between the mean age at childbearing and the total fertility rate is -0.02 (Syx). And the Variance (83) =0.22 Country Denmark Mean Age at Childbearing 30.29 Total Fertility Rate Ireland 10.66 1.85 Greece 29.87 2 12 Spain 30.8R 144 France 29.72 1.32 Italy 30.87 1.75 1.51 Netherlands 30.58 30.41 (X bar) 1.66 Mean 1.65 (7 bar) Source: International Social Survey Program, 2008. 13, Using this information and the information provided in the table above, calculate the Y intercept (a) and the slope (b) and write down the linear regression equation which summarizes the relationship between these two variables (8 pts). The coefficient of determination, r2 is a PRE measure. What does this mean? (2 pts)