Dependent vs Independent Variables

The score on the final test depended on the number of study questions the student completed.  Select the independent variable.

• Score on final test

• Number of study questions

• Student

• None of these

The time it takes to run a mile depends on the amount of exercise a person gets. Select the dependent variable.

• Amount of exercise

• Time to run

• None of the above

On a graph, which axis shows the dependent variable?

• x-axis

• y-axis

• neither

• it changes

On a graph, which axis shows the independent variable?

• x-axis

• y-axis

• neither

• it changes

A(n) _____________ variable depends on or is changed by another variable.

• dependent

• independent

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.

t = the number of treats

s = the number of students

Which of the variables is INDEPENDENT?

• s

• t

Which of the following is the label for the independent variable.

• Money Collected

• Raising Money

• Boxes Sold

• None of the above

Which label best describes the dependent quantities shown in the table?

• Number of tickets (t)

• Cost (c)

Which label best describes the independent quantities shown in the table?

• Number of tickets (t)

• Cost (c)

• the independent variable is distance
• the independent variable is d=25 t
• the dependent variable is time
• the dependent variable is distance