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A curve that resembles the axial cross-section of a bell. One example is the graph of the probability density of a normal distribution. It is often assumed that every bell-curve must arise from a normal distribution, but this is not the case. For example, all the t-distributions (including the Cauchy distribution) also give rise to bell-curves. The term can also be used to describe a histogram that approximates a bell-curve.

Subjects: Probability and Statistics.

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