A discrete variable is a type of quantitative variable that can take on a finite or countably infinite set of values, often representing distinct categories or counts. They are used in statistical analyses where data can be categorized into non-overlapping groups, such as the number of students in a class or the outcome of a dice roll.

Discrete Variable

discrete variable

A quantitative variable is a type of variable that can be measured and expressed numerically, allowing for mathematical operations and statistical analysis. It is used to quantify characteristics or phenomena, enabling comparisons and assessments of relationships between variables.

quantitative variable

Finite set of values

countably infinite set of values

distinct categories

statistical analyses

non-overlapping groups

number of students in a class

outcome of a dice roll

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