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    What Is This Tool?

    Standard Deviation Calculator helps students and anyone reviewing a list of numbers understand its spread. It shows count, mean, median, both standard deviations, sample variance, range and sum.

    Privacy and Security

    The numbers you enter in the Standard Deviation Calculator (numbers and so on) are calculated in your browser. They are not sent to or saved on Adobe IQ servers, and they disappear when you close the page.

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    How to use this tool

    • Enter your numbers.
    • Fill in the remaining fields of the Standard Deviation Calculator.
    • Read your status instantly.

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    All Calculators

    Standard Deviation Calculator

    Type or paste your numbers separated by commas or spaces.

    Result

    Count
    6
    Mean
    20.33
    Median
    20
    Sample standard deviation
    6.65
    Population standard deviation
    6.07
    Sample variance
    44.27
    Range
    18
    Sum
    122