Standard Deviation Calculator
One data set per line. Each line gets its own count, sum, average, standard deviation, minimum, maximum and range.
Statistics Type:
Decimals:
Recognition Options:
Statistics Result
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| Group | Quantity | Sum | Average | Standard Deviation | Min | Max | Range |
|---|
Introduction to the tool and how to use it
This online standard deviation calculator measures how spread out each group of data is.
Note: the sample standard deviation is undefined for a single data point and will show as NaN.
Note: the sample standard deviation is undefined for a single data point and will show as NaN.
How to use
- Paste your data into the input box, one group per line, with values separated inside a line by commas, spaces, or any symbol.
- Choose the statistic: sample standard deviation (divide by n-1, common for sampled data) or population standard deviation (divide by n, for the full data set).
- Set the number of decimal places and click calculate; the standard deviation of each group appears on the right, and the table below lists each group's count, sum, mean, standard deviation, minimum, maximum, and range.
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