Donna wants to give her child some cough medicine. However, she is unsure about the dosage, so she reads the directions. She notices that the dosage differs based on age. Determine the independent variable and the dependent variable

A. The independent variable is the age of the child. The dependent variable is the dosage.
B. The independent variable is the age of the child. The dependent variable is the type of medicine.
C. The independent variable is the weight of the child. The dependent variable is the dosage.
D. The independent variable is the dosage. The dependent variable is the age of the child.

The variables that take their values based on some other variables' values are called dependent variables. The correct option is A.

What are independent and dependent variables?

Even though everything can be almost always related to its reason, when we talk about two related things, there might happen that one of those things is dependent on the other.

If a variable is taking its values independently of any visible direct cause, then that variable is called an independent variable.

The variables that take their values based on some other variables' values are called dependent variables.

In the given scenario, the age of the child is the independent variable, since the age of the child is not dependent on anything. While the dependent variable is the dosage of medicine since it is dependent on the age of the child.

Hence, the correct option is A.

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