Standard Deviation Calculator

Population and sample standard deviation, variance, mean, median and range of your data.

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How to do it

  1. 1
    Add the text

    Paste or type the text or amount here.

  2. 2
    See the result

    The result appears right away as you type.

  3. 3
    Copy it

    Copy the result and use it anywhere. Your text goes nowhere.

About this tool

Paste or type numbers separated by commas, spaces or new lines. You get the count, sum, mean, median, minimum, maximum, range, variance and both the population and sample standard deviation. Use the sample value when your numbers are a sample of a larger group.

Frequently asked questions

Population or sample?

Use population when you have every value in the group. Use sample when the numbers are only part of a bigger group.

What does standard deviation tell me?

How spread out the numbers are around the mean. A small value means they are close together.

Completely freeNo cost, no sign-up
Files stay privateDeleted automatically after the job
Easy in BanglaIn both Bangla and English