Variance Calculator
Compute variance for a dataset. Choose population (σ²) or sample (s²).
About This Calculator
The Variance Calculator computes the squared deviation from the mean, measuring data dispersion. It calculates both population variance (σ²) and sample variance (s²).
How to Use
- Enter your numbers separated by commas or spaces
- Select Population or Sample calculation
- Click Calculate to see the variance
- View standard deviation and other statistics
Practical Use Cases
- Statistics: Measure data dispersion
- Finance: Calculate portfolio variance
- Research: Analyze experimental variability
- Quality Assurance: Monitor process variation
- Risk Analysis: Quantify uncertainty
? Frequently Asked Questions
How accurate is this
This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.
Is this calculator free to use?
Yes, this Statistics Variance Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.
Can I use this on mobile devices?
Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.
How do I interpret the results?
The results are displayed clearly with appropriate units. Refer to the "About This Calculator" section for detailed information.