Statistics calculators

Summarise a data set, measure how spread out it is, and see where a value sits on the bell curve. Paste numbers straight from a spreadsheet — every calculator explains the statistics behind the result.

Average Calculator
Find the mean, median, mode and range of a list of numbers.
Standard Deviation Calculator
Calculate the standard deviation and variance of a data set (sample or population).
Z-Score Calculator
Find a z-score and its percentile, or the raw value for a given z-score.

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