Calculate Mean Absolute Deviation (MAD) along with full descriptive statistics — mean, median, variance, standard deviation, range, and more.
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Each value's deviation from the central measure
MAD
Avg of absolute deviations. Robust to outliers.
Std Dev
RMS of deviations. Sensitive to outliers.
When to use MAD
Skewed data, outliers present
Ratio rule of thumb
SD ≈ 1.25 × MAD (normal dist.)