Standard Deviation Calculator

Calculates the population and sample standard deviation of a set of numbers. Enter numbers separated by commas or spaces.

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Calculates the population and sample standard deviation of a set of numbers. Enter numbers separated by commas or spaces.

Use cases

  • Measuring how spread out a data set is for a statistics assignment
  • Comparing the variability of two data sets

Examples

Eight numbers

2, 4, 4, 4, 5, 5, 7, 9
{"population_stddev": 2.0, "sample_stddev": 2.1381}

FAQ

Is my data sent to a server?

Yes — the calculation runs on the server for this tool.