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Tool · Data & Statistics

Average & Spread Calculator

Paste a list of numbers to get the mean, median, mode, range and standard deviation.

Standard deviation for a

How it works

The mean shares the total equally; the median is the middle value once the data is sorted; the mode is the most frequent value. Standard deviation measures the typical distance from the mean. Use the sample version, dividing by n−1n - 1, when your data is a sample from a bigger group.