Statistics Calculator

Mean, median, mode, range, variance, standard deviation, quartiles from a list.

Calculator Numbers & Math Updated Apr 19, 2026
Data
Statistics

Formulas

Mean
Σx / n
Variance
sample: Σ(x−μ)² / (n−1); population: /n
SD
√variance
Quartiles
Q1, Q2=median, Q3

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