Mathematics & Education Formula • Published on July 30, 2026 • Last updated July 30, 2026
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Total numerical spread of dataset
Highest / maximum value in sample
Lowest / minimum value in sample
The statistical range formula measures total dispersion by calculating the numerical distance between the highest and lowest values in a distribution.
Range measures total distance from min to max, whereas IQR measures middle 50% spread (Q3 - Q1).
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