Question

Brie knows there is a relationship between the grades on her math tests and the time she spends studying for those test. Identify the indepent quanntity and the dependent quantity in this problem situation

Answer 1

Answer:

Time - independent variable

Score in test - dependent variable

Step-by-step explanation:

The relationship between Dependent and independent variables lies in the fact that, the outcome (dependent variable) relies on the value of the independent variable. Hence, the independent variable could be explained as a series of different possible values which has an effect on the value of the predicted variable. In an experiment, the dependent variable is predicted based on the input or value of the independent variable entered into the model.

Hence, in the scenario above, the study time could take up series of different possible values which could affect the score obtained in her tests. Hence, the test scores depends on the time dedicated to studying, making score obtained in test the dependent variable and the study time the independent variable.

Answer 2

Answer:

Independent Quantity: Time

Dependent Quantity: Grades

Step-by-step explanation:

Time is the independent quantity because time never stops. The independent quantity is the one that you don't control, it's free. You cannot control time and it is INDEPENDENT. This results in time being the independent quantity.

Grades is the dependent quantity because depending on time. The dependent quantity is the one that relies on the independent quantity which is time in this case. DEPENDING on how much time you spend studying, your grades will change.

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