Discrete

In quantitative measurements, variables can be discrete or continuous.

The value of a discrete variable is measured in large, discrete units. If you were measuring the length of a train, you might use the number of cars as your unit of measure. That would be a discrete variable.

Some visual displays are more appropriate than others for discrete variables. For instance, a histogram makes more sense for discrete variables, whereas a frequency polygon makes more sense for continuous variables.

page revision: 3, last edited: 20 Sep 2008 00:06