QUESTION 29 In general, a larger R-squared tends to suggest that the estimated sample regression function explains a greater percentage of the total variation in y the estimated sample regression function is more accurate O the estimated sample regression function explains a greater percentage of the explained variation in y O the estimated slope coefficient is more likely to equal the population slope coefficient QUESTION 30 Suppose you wish to determine the degree to which annual earnings of PGA tour players (Earnings) are related to driving distance (Yards Per Drive) In such a cats O you should define Yards Per Drive as the dependent variable you should define Earnings as the dependent variable O it does not matter which variable you define as the dependent variable O you should define Earnings as the independent variable