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What Is a Normal Distribution or Bell Curve?
Автор: Prof. Essa
Загружено: 2024-04-13
Просмотров: 8720
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A normal distribution, sometimes called the bell curve (or De Moivre distribution), occurs naturally in many situations. For example, the bell curve is seen in tests like the SAT and GRE. The bulk of students will score the average (C), while smaller numbers of students will score a B or D. An even smaller percentage of students score an F or an A. This creates a distribution that resembles a bell (hence the nickname). The bell curve is symmetrical. Half of the data will fall to the left of the mean; half will fall to the right.
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