Free - Response #1: This question involves estimation of a fatality rate equation using a panel dataset of 50 U.S. States (indexed by the variable state) over 14 years 1983- 1996 . Below are variables in the dataset followed by a table with estimation results from five regression models all of which have fatality rate as the dependent variable Variable Definitions Variable Definition fatalityrate Number of fatalities per million of traffic miles sb useage Seat belt uscage rate speed6 Binary variable for 65 mile per hour speed limit speed70 Binary variable for 70 or higher mile per hour speed limit ba08 Binary variable for blood alcohol limit