If we were to design an experiment to test the hypothesis that aspirin takes headaches away, the independent variable would be and the dependent variable would be
a. headaches; aspirin
b. aspirin; tylenol
c. aspirin; headaches
d. measured; manipulated

C. aspirin; headaches

Explanation:

The variables in an experiment are either dependent or independent. An independent variable is the change that is introduced to test the hypothesis. A dependent variable on the other hand is the one being monitored or measured due to the introduction of other variables.

Here Headaches are the dependent variables as the experiment is to monitor whether the introduction of aspirin, the independent variable, takes headaches away.

answer; being clearly political;