Answer:
Independent variable: Bumper size, vehicle speed
Dependent variables: Damage size, bumper damage
the hypothesis.: If the bumper size increases the damage to the vehicle should decrease
Explanation:
This problem asks to specify the variables in a scientific investigation
* Independent variable
These are the variables that the researcher can control
Bumper size, vehicle speed
* Dependent variables
are the measured variables
Damage size, bumper damage
* Control variable
are the measures to minimize the effects on the variables
Vehicle speed, which is the same in the control and experimentation vehicles
damage medicine without bumpers
Material of the bumpers so that this has no effect on the measurements
the hypothesis.
If the bumper size increases the damage to the vehicle should decrease
