e. Does the estimated regression in part a suggest that increased seat belt use reduces fatalities?

Dependent variable: fatalityrate OLS panel linear (1) (2) (3) sb_useage 0. 002 -0. 004.* -0. 004*** (0. 001) (0.001) (0. 001) speed65 -0.0001 -0. 001 -0. 001 (0. 0004) (0. 0004) (0. 6004) speed70 9. 002* * * 0. 001 0. 001*# (0. 001) (0. 0003) (0. 0003) ba08 0.002* * * -0.001* -0. 001* * (0. 0005) (0. 0003) (0. 0003) drinkage21 -0.001 -0. 001+ -0. 001+ (0. 001) (0. 001) (0. 001) income -0.0000g*#* D. 00009* * 3. 00000* * * (0. 06060) (0 . 00060) (0. 00090) age -0.0901 0. 002* * * 0. 002* * * (0. 0001) (0. 0004) (0. 0004) Constant 0.038* * (0. 004) Observations 556 556 556 RZ 0.510 3. 100 0. 100 Adjusted RZ 0.504 -0. 032 -0. 032 Residual Std. Error 0.004 (df = 548) F Statistic 81.562* ** (of = 7; 548) 7.703* * (df = 7; 484) 7.703*#* (of = 7; 484) Note: *p