| A | B |
|---|
| Pictograph | Objects represent the data being counted |
| Circle graph | Each category corresponds to a sector of the circle |
| Central Angle | Has its vertex on the center of the circle and its rays are radii of the circle |
| Quantitative Data | measurements or numbers called data points |
| Mean | Average of Numbers |
| Median | The middle number when the data are arranged in numerical order |
| Mode | Most frequently occurring number |
| Range | Difference between the greatest and least of the numbers |
| bimodal | when there are two modes |
