| Term | Definition |
|---|
| Bar Graph | A graph that uses vertical or horizontal bars to display data. |
| Circle Graph (Pie Chart) | A graph that uses sectors of a circle to compare parts to the whole and parts to other parts. |
| Frequency Table | A table that lists items together according to the number of times, or frequency, that the items occur. |
| Line Graph | A graph that uses line segments to show how data changes; a graph used to show change over time |
| Line Plot | A number line with marks or dots that show frequency. |
| Scatter Plot | A graph with points plotted to show a possible relationship between two sets of data. |
| Stem-and-Leaf Plot | A graph used to organize and display data so that the frequencies can be compared. |
| Mean | The average of a set of data; calculated by adding all the values in a set and dividing by the total number of items |
| Median | the value below which 50% of the cases fall; The middle value of an ordered set of items (for an even numbered set of data, the average of the middle two items) |
| Mode | The most commonly occurring item in a set of data (must occur at least twice; there may be more than one mode) |
| Range | The difference between the highest and lowest values in a set of data |
| Interquartile Range | The difference between the upper and lower quartiles; The range of the middle half of a set of numbers (UQ-LQ) |
| Upper Quartile | 75% quartile. The median of the upper data values in order. |
| Lower Quartile | 25% quartile. The median of the lower data values in order. |
| Pie Chart (Circle Graph) | A graph that uses sectors of a circle to compare parts to the whole and parts to other parts. |
Combine with other sets
Share on Facebook
Share on MySpace