Statistics Tool
Variance Calculator
Calculate Variance and Standard Deviation for population or sample.
Variance (s²)
27.4286
Standard Deviation
5.2372
Σ The Formula
Var = Σ(x - μ)² / N
Real World Examples
Data
10, 12, 23, 23, 16
# About This Calculator
Variance measures how far a set of numbers is spread out from their average value.
- Population Variance (σ²): Divide by N. Used when you have data for the entire group.
- Sample Variance (s²): Divide by N-1. Used when your data is a sample of a larger population.
Frequently Asked Questions
Is Variance Calculator free to use?+
Yes, Variance Calculator on Matheric is completely free to use. We believe in accessible education and utility for everyone.
How accurate is Variance Calculator?+
We use standard mathematical formulas and high-precision computing algorithms to ensure results for Variance Calculator are accurate for academic and professional use.
Can I use Variance Calculator on my phone?+
Yes! Variance Calculator is fully responsive and optimized for all devices, including smartphones, tablets, and desktops.
Do you save my data?+
No. We prioritize your privacy. All calculations are performed in your browser or temporarily processed, and we do not store your personal input data.
How do I report a bug?+
If you notice any issues with Variance Calculator or have suggestions for improvement, please contact us via the link in the footer. We value your feedback!
Can I request a new feature?+
Absolutely. We are constantly expanding our toolset. Feel free to reach out with your requests, and we might build it next!
About
Variance measures how far a set of numbers is spread out from their average value.
- Population Variance (σ²): Divide by N. Used when you have data for the entire group.
- Sample Variance (s²): Divide by N-1. Used when your data is a sample of a larger population.