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Standard deviation

Calculate the mean and standard deviation of a set of numbers.

The output shows population and sample standard deviations separately. A sample standard deviation needs at least two values. Separate numbers with commas, spaces or new lines. Choose sample or population in the settings. Results update as you type. Up to 1,000,000 characters.

Your result

How to use Standard deviation

  1. Enter your text in the input field.
  2. The result updates as you type. Adjust the available settings if needed.
  3. Review the result, then use Copy result or a download link when available.

What to expect

Calculate the mean and standard deviation of a set of numbers. The output shows population and sample standard deviations separately. A sample standard deviation needs at least two values.