| A | B |
| Ratio | A comparison of two quantities. |
| Proportion | A statement that two ratios are equal. |
| Cross Product | Another phrase for Cross Multiply |
| % | Means divide by 100 |
| Probability | A measure of how likely an event is to occur. |
| Impossible Event | A(n) _____ has a probability of zero. |
| Event that is certain to occur | An _____ has a probability of one. |
| ____ ranges between 0 and 1 | Probability |
| P(x) | Symbol that means The probability that x will occur. |
| Compound Event | An event that is made up of more than one simple event. |
| Dependent Events | One event affects the outcome of another event. |
| Independent Events | One event does not effect the outcome of another event. |
| If you are drawing marbles out of a bag and without replacing before drawing again you have ___ | Dependent Events. |
| If you are drawing marbles out of a bag and replacing them before drawing again you have ___. | Independent Events. |
| P(A and B) | P(A) * P(B) |
| Theoretical Probability | Ratio comparing the number of ways the favorable outcome SHOULD occur to all possible outcomes. |
| Experimental Probability | Ratio comparing the actual number of ways the favorable outcome in a series of repeated trials to all possible outcomes |
| Mode | The value in a set of values that occurs most often. |
| Median | The middle value of a set of numbers when ordered least to greatest. |
| Mean | The average of a set of numbers. |
| Range | The spread of a set of numbers. |
| The largest number minus the smallest number gives the ___. | Range |
| Bar Graph | Uses different heights or lengths to show relationships between different groups of data. |
| Histogram | Shows the number of data points that fall within a specific interval of values. |
| Circle Graph | Shows the relative size of each part to the whole. |