Given the question: Answer the following question given this paragraph: An experiment is a controlled scientific study of specific variables. A variable is a factor that can take on different values. For example, the speed of an object down a ramp might be one variable, and the steepness of the ramp might be another. Q: In a controlled scientific study, what do you call a factor that can take on different values? Choices: - output - input - vector - variable A:
The answer is:
variable