The Independent Variable in this situation is the type of car. This is the variable that is being manipulated or changed in the experiment to observe its effect on the dependent variable, which in this case is the amount of damage to the dummy.
To test the safety of a car, crash tests will test different types of cars in collision situations. They want to determine in which car the crash test dummy receives the least amount of damage. What is the Independent Variable in this situation?
The speed of the crash.
The type of dummy used.
The type of car.
The amount of damage to the dummy.
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