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Uniform Distribution

Definition

A uniform distribution refers to a dataset where all values have an equal probability of occurring. In other words, every value in the dataset is equally likely to be selected.

Analogy

Think of a vending machine filled with identical candy bars. When you randomly select one candy bar from the machine, each candy bar has an equal chance of being chosen because they are all the same.

Related terms

Normal Distribution (Bell Curve): A normal distribution is symmetrical and forms a bell-shaped curve when plotted on a graph.

Discrete Uniform Distribution: A discrete uniform distribution occurs when there are a finite number of possible outcomes with equal probabilities.

Continuous Uniform Distribution: A continuous uniform distribution occurs when there is an infinite number of possible outcomes with equal probabilities.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.