A local congressman must decide whether or not to vote for a bill to reduce the speed limit.
Supporters of the bill claim that the gas mileage improves at lower speeds! The congressman was given the data about the Toyota Camry gas usage - presented in the table below. (Picture Attached.)

Note: MPG stands for miles per gallon of gas.

IDENTIFY THE INDEPENDENT VARIABLE FIR THIS DATA AND WHY.

A local congressman must decide whether or not to vote for a bill to reduce the speed limit Supporters of the bill claim that the gas mileage improves at lower class=