Sky Strike 3DPlayStandard Deviation Calculator
Paste numbers to get mean, variance and standard deviation.
- Free
- Instant result
- Private · on-device
- No sign-up
How to use: Paste numbers separated by commas, spaces or new lines.
How to use the Standard Deviation Calculator
Paste or type your numbers, separated by commas, spaces or line breaks.
Use the population result when your list is the whole group, and the sample result when it is a sample of a bigger group.
The tool also shows the mean, median, range, sum and count.
Why use this standard deviation calculator on ViralScopeHub? It is completely free, needs no account and works on phones, tablets and computers. All the work happens inside your own browser, so the details you type or the files you choose are never uploaded to a server, which keeps homework, business numbers and personal information private.
A tip for better results: change one input at a time and watch how the answer moves, which helps you understand the method instead of just copying a number. If something looks wrong, check units, spelling and decimal points first, then compare with the worked examples in the questions below. Bookmark the page so it is one tap away next time.
Frequently asked questions
Sample or population?
Sample divides by n − 1, population by n. Classes usually want sample unless told otherwise.
What is variance?
The average squared distance from the mean; standard deviation is its square root.
Is there a limit?
Thousands of numbers work fine in the browser.
