| A | B |
| Gap | A region of a data distribution where there are no values. |
| Dotplot | A graph representing each data case against a single axis. |
| Shape | A description of a data distribution characherized by the number of modes, whether there are gops, where the data is skewed or symmetric, or whether there are outliers. |
| Center | A number that you may use to try to summarize the values of a data distrubution |
| Spread | A numerical summary of how tighlty data are clusted around the center. |
| Mode | A hump or local high point in the shape of a data distribution. |
| Unimodal | Describes a data set where there is one mode, often shaped like a mound. |
| Bimodal | Data where there are two modes. |
| Uniform | A data distribution that is roughtly flat. |
| Symmetric | Data where the distribution looks closely mirrored around the center of the data. |
| Tails | The part of a data distribution that trails off to either side of the middle. |
| Skewed | A description of non-symmetric data when one tail stretches further than the other. |
| Outliers | Extreme values that do not appear to belong with the rest of the data. |
| Median | The middle value of a data collection. |
| Range | The difference betwwen the lowest and higest values in a data set. |
| Quartile | A division of data representing one fourth of the data values. |