Statistics Calculators
Averages & spread
Average Calculator
Find the arithmetic mean of any list of numbers, plus sum and count for context.
Mean Median Mode Calculator
All three measures of central tendency at once — mean, median and mode — plus range.
Standard Deviation Calculator
Sample and population standard deviation, variance and summary statistics for your data.
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About statistics calculations
Statistics calculators for mean, median, mode, range, variance and standard deviation of any data set, with both sample and population formulas explained.