Math
Descriptive Statistics
Compute measures of central tendency, dispersion and position. Automatic histogram.
Frequently Asked Questions
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Paste numbers separated by comma, space or new line. We accept up to thousands of points.
We show both. Sample divides by n-1 (unbiased estimator). Population divides by n (use when your data is the entire population).
IQR = Q3 - Q1. Useful for outlier detection (above Q3 + 1.5·IQR or below Q1 - 1.5·IQR).