QUESTION 4 number of medals, = bo + b, (latitude;) + b2(elevation;) + by(logpopulation;) Source SS df MS Number of obs = 25 F( 3, 21) - 3.22 Model 439.274821 3 146.42494 Prob > F 0.0434 Residual 954. 485179 1 45.4516752 R-squared 0.3152 Adj R-squared = 0.2173 Total 1393.76 24 58.0733333 Root MSE 6.7418 totalmedal Coef. Std. Err. t P>Itl [95% Conf. Interval] cen_lat 522752 . 1889091 2.77 0.012 . 129894 . 9156099 elev . 003171 . 0038126 0.83 0.415 -. 0047577 . 0110996 logpop 2. 146452 .9968635 2.15 0.043 . 0733606 4.219543 _cons -54.52767 21.97521 -2.48 0.022 -100.2276 -8. 827715 Which variable/predictor is the most significant? Hint: look at the p-value (P > [t|) of each predictor. O cen_lat (latitude) O elev (elevation) O log-population O All equally significant