Rex says
The fast lane for the math you almost remember from school. Type the numbers, get the answer, move on with your day.
Try a scenario
Click to load — tweak from there.Inputs
Result
Sample SD
5.2372
Population SD
4.8990
Sample variance
27.4286
Mean
18.0000
Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter numbers.
- 2Read your sample sd on the right — it updates as you type.
- 3Hit Share to keep the scenario or send it to someone.
About this calculator
Computes mean, variance, and standard deviation (both sample and population) from a number list.