| A | B |
|---|
| mode | The number or numbers that occur most frequently in a set of data |
| no mode | when all numbers occur with the same frequency |
| outlier | A value much greater or much less than the others in a data set. |
| range | (in statistics): The difference between the greatest and least values in a data set. |
| stem-and-leaf plot | A graph used to organize and display data so that the frequencies can be compared. |
| line graph | A graph that uses line segments to show how data changes. |
| mean | The sum of the items in a set of data divided by the number of items in the set; also called average. |
| median | The middle number or the mean (average) of the two middle numbers in an ordered set of data. |
| bar graph | A graph that uses vertical or horizontal bars to display data. |
