The symmetrical bell-shaped figure used to represent the distribution of many physical and psychological characteristics is called a

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The symmetrical bell-shaped figure used to represent the distribution of many physical and psychological characteristics is called a normal curve. The normal curve is a mathematical concept that is widely used in statistics and probability theory to describe distributions of data. It is characterized by its shape, which is symmetrical and bell-shaped, with the majority of the data clustered around the mean and decreasing in frequency as you move away from the mean in either direction. A normal curve is also known as a Gaussian distribution, after the mathematician Carl Friedrich Gauss who first described it.

The Symmetrical Bell-Shaped Figure Used to Represent the Distribution of Many