| A | B |
|---|
| Probability | the chance that a given event will occur. |
| Prediction | an inference based on what you know or observe. |
| Sampling | a technique used by investigators to preduct what a larger group is like. |
| Ratio | a representation of two numbers that is represented as a division problem or a fraction. |
| Proportionality | the concept that relationships keep the same ratio as quantities or amounts change. |
| Constant | an unchanging value of an expression. |
| Variable | a changing value of an expression (usually represented as an letter). |
| Parallel Lines | two pairs of lines that will never cross. |
| Intersecting Lines | two lines that will cross. |
| Mean | the mathematical average of data. |
| Median | the middle number in a set of data. |
| Mode | the number that appears most often in a set of data. |
