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Meaning & Definition

Bell Curve

Bell curves, also called Gaussian distributions and normal distributions, are so-called because the line resembles a bell. Bell curves are underpinned by the theory that if you map people’s performance, most will fall into a specific range. Bell curves represent the standard distribution of a rating, result or test score in that the top of the ‘bell’ is the most likely event, with other possible events evenly distributed around the most likely event on both sides.

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