Range, Variance & Standard Deviation Explained | Measures of Dispersion | Statistics Made Easy

28 May 2025 · 13 min
12:46

Akansha Yadav explains five ways to measure how spread out data is: range, variance, standard deviation, interquartile range, and mean absolute deviation. Two datasets can have the same average but very different spreads, which matters in salary analysis, stock volatility, and student performance. Each measure handles outliers differently, so the right choice depends on your data.

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