A bell curve, also known as a normal distribution, is a statistical graph that represents data distribution where most values cluster around a central peak, with frequencies gradually decreasing towards both ends. This symmetrical shape resembles a bell, with the highest point representing the mean, median, and mode, indicating the most common value. The spread of the curve is determined by standard deviation, which measures data dispersion from the mean. In many real-world scenarios, such as IQ scores, employee performance, and natural phenomena, data tends to follow a bell curve, allowing analysts to make predictions, identify patterns, and assess probabilities. The concept is widely used in statistics, economics, psychology, and various scientific fields.

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