Normal distribution says that the probability of observing a particular data value is greatest near the mean value—the average—and dies away rapidly as the difference from the mean increases. This formula defines a special family of bell-shaped probability distributions, often good models of everyday real-world observations. Normal distribution led to the concept of the ‘average man,’ tests of the significance of experimental results, such as medical trials, and an unfortunate tendency to default to the bell curve as if nothing else existed.
Normal Distribution
Normal distribution defines a special family of bell-shaped probability distributions, often good models of everyday real-world observations.
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