Variance & Standard Deviation
Calculate Variance & Standard Deviation instantly. Free online calculator with the exact formula, a worked example, and metric units. No signup required.
Variance & Standard Deviation
x₁
x₂
x₃
x₄
Variance
5
Mean μ
5
Variance σ²
5
Std. dev. σ
2,24
n
4
More about: Variance & Standard Deviation
What it calculates
The “Variance & Standard Deviation” calculator computes Variance from 4 parameters: x₁, x₂, x₃, x₄.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters x₁ = 2, x₂ = 4, x₃ = 6, x₄ = 8 the result is 5 (Mean = 5).
How to use
- Enter x₁, x₂, x₃ and x₄ — each field above is adjustable with a slider.
- Variance is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Variance & Standard Deviation calculated?
The Variance & Standard Deviation calculator computes Variance from x₁, x₂, x₃, x₄. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Variance & Standard Deviation calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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