| A | B | 
|---|
| Stem-Leaf Plot | A graph that is used to order numbers from least to greatest. | 
| Line Graph | A graph that is used to display data over a period of time. | 
| Vertical Axis | The axis that goes up and down.  Also known as the y-axis. | 
| Horizontal Axis | The axis that goes left to right.  Also known as the x-axis. | 
| Interval | The difference between two numbers on the scale. | 
| Scale | The series of numbers on the each axis that are equal distance from one another. | 
| Stem | The digit to the left of the ones digit. | 
| Leaf | The ones digit of each data value. |