Class Boundaries Definition

The numbers used to separate the classes while preventing gaps created caused by the class limits.

Note: .5 is generally used for the class boundaries of discrete data.

The examples of the class boundaries are in bold:

Frequency Distribution:
Calories of a beverage

Class Boundaries

Calories

Frequency

150.5-200.5

151-200

1

200.5-250.5

201-250

2

250.5-300.5

251-300

5

300.5-350.5

301-350

3

350.5-400.5

350-400

5

400.5-450.5

400-450

4

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Last Modified on February 12, 2013 by JoeStat

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