. Here are some data on schooling and urbanization for a sample of Middle Eastern and North African nations in the mid-1990s. Country Average Years of School Completed Percent Urban Saudi Arabia Jordan Libya Syria Iraq Yemen Qatar United Arab Em. Iran Pakistan Bahrain Kuwait Tunisia Turkey Algeria Sudan Morocco Afghanistan Lebanon 3.70 5.00 3.40 4.20 4.80 0.80 5.60 5.10 3.90 1.90 3.90 5.40 2.10 3.50 2.60 0.80 2.80 0.80 4.40 78.00 70.00 84.00 51.00 73.00 31.00 90.00 82.00 57.00 33.00 89.00 95.00 56.00 64.00 53.00 23.00 47.00 20.00 86.00 Sb = 0.157 (calculated for you) a) Draw the appropriate graph to see existence of the relation between schooling and urbanism and interpret it. b) Calculate the correlation between these variables and comment on it. c) Test whether there is positive association between them. Use a significance level of 0.05. d) Which variable is the dependent variable? Why? e) Fit a regression model and interpret the coefficients. f) Is the regression significant? g) Determine the standard error of the estimate. h) Determine the coefficient of determination and intepret. i) Estimate the typical schooling value if the urbanization is 50.00%. j) Estimate the typical schooling value of a country if the urbanization is 50.00% with 90% confidence. k) Estimate the schooling value of a country whose urbanization is 55.00% with 90 confidence.