Standard Deviation Calculator
Calculate mean, median, mode, variance and standard deviation for a data set.
Mean
Median
Mode
Variance
Standard deviation
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How to use standard deviation calculator
Enter your dataType numbers separated by commas or spaces.
Read the statsMean, median, mode, variance and standard deviation all update live.
Questions people ask
Standard deviation is the square root of variance, in the same units as your data — so it's usually easier to interpret.
This calculates population standard deviation (dividing by n, not n−1).
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