# Graphing Variables

When you are graphing data, you are always going to plot the graph the same way.

- The independent variable goes on the X (horizontal) axis
- The dependent variable goes on the Y (vertical) axis

This is a graph demonstrating Temperatures in New York City over a period of 6 days.

Independent Variable: Day

Dependent Variable: Degrees in Fahrenheit

The later days have a higher temperature.

This is a graph demonstrating what happens to the value of Sarah's time over the years.

Independent variable (cause):

- Years

Dependent variable (effect):

- Value of the car in money

The older the car is, the less the value of the car is.

This is a graph demonstrating the time the helicopter traveled a certain distance

Independent variable (CAUSE):

- Time in seconds

Dependent variable (EFFECT):

- Distance in meters

Because of the time, the helicopter traveled a specific distance.

This is a graph showing the number of people in a store over the time of day.

Independent Variable (cause):

- Time

Dependent Variable (effect)

- Number of people in the store

The middle of the day seems to have the most people visiting the store.

This is a graph demonstrating the number of teens in a small town who have cell phones.

Independent variable:

- Age in years

Dependent variable:

- Number of teens with phones

As the age of the students increases, the number of teens with phones increased.