AP Statistics
BMI, or Body Mass Index, is a numerical value derived from an individual's weight and height, calculated by dividing a person's weight in kilograms by the square of their height in meters ($$BMI = \frac{weight (kg)}{height (m)^2}$$). It serves as a screening tool to categorize individuals into different weight classifications, such as underweight, normal weight, overweight, and obesity. Understanding BMI is important for assessing health risks related to body weight and can help in evaluating the correlation between weight and various health outcomes.
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