A discrete variable is a variable that can only take on a finite number of values in an interval. On the other hand, continuous variables can take on an infinite number of values.
Work Step by Step
An example for a discrete variable would be the number of children in a household. (Can only be an integer, 1,2,3,4...) An example of a continuous variable is someone's weight. It can take an infinite number of values within an interval. (160.1; 160,11; 160.1252...)