| A | B |
|---|
| Center | important characteristic to look for when organizing and describing data set. |
| Variability | important characteristic to look for when organizing and describing a data set. |
| Shape | important characteristic to look for when organizing and describing a data set. |
| frequency distribution | a table that shows classes or intervals of data entries with a count of the number of entries in each class. |
| frequency | the number of data entries in a class. |
| lower class limit | the least number that can belong to the class |
| upper class limit | the greatest number that can belong to the class. |
| class width | the distance between lower or upper limits of consecutive classes. |
| range | difference between the maximum and minimum data entries. |
| frequency histogram | a bar graph that represents the frequency distribution of a data set. |
| class boundaries | the numbers that separate classes without forming gaps between them. |
| ogive | a line graph that displays the cumulative frequency of each class at its upper class boundary |
