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- In statistics, the range of each class of
- data, used when dealing with large amounts of
- data. To obtain an idea of the distribution,
- the data are broken down into convenient
- classes, which must be mutually exclusive and
- are usually equal. The class interval defines
- the range of each class; for example if the
- class interval is five and the data begin at
- zero, the classes are 0-4, 5-9, 10-14, and so
- on.
-