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Answer:
A discrete variable is a type of variable that can only take on specific, distinct values. These values are typically whole numbers and are separate and countable. For example, the number of students in a class, the number of cars in a parking lot, or the number of goals scored in a soccer game are all examples of discrete variables. Discrete variables differ from continuous variables, which can take on any value within a range. Understanding discrete variables is important in various fields like statistics, mathematics, and computer science for accurate data analysis and modeling.