| A | B |
| Ratio | comparison of two numbers by division |
| rate | comparison of two measurements with different units of measure |
| probability | the chance that an event will happen |
| sample space | the set of all possible outcomes |
| proportion | a statement of equality of two or more ratios |
| percent | ratio that compares a number to 100 |
| statistics | information that has been collected, analyzed and presented in an organized fashion |
| percent of change | the ratio of the amount of change to the original amount |