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Variance Calculator

Statistics

Calculate variance

About Variance Calculator

Calculate variance to measure how spread out data points are from the mean.

How to Use:

  1. Enter numerical data separated by commas
  2. Get variance value
  3. Choose population or sample variance

Formula Used:

Variance = Σ(x - mean)² / N

Examples:

  • Data: 1, 3, 5, 7, 9 → Variance: 8

Common Use Cases:

  • Statistical analysis
  • Data science
  • Quality control
  • Research
  • Risk assessment

Variance Calculator Tool

Frequently Asked Questions

Is this Variance Calculator free to use?

Yes, our Variance Calculator is completely free to use. No registration, payment, or subscription required.

How accurate are the variance calculator calculations?

Our calculator uses precise mathematical formulas and algorithms to ensure accurate results for all your statistics calculations. The formula used is: Variance = Σ(x - mean)² / N

What can I use this variance calculator for?

This calculator is perfect for: Statistical analysis, Data science, Quality control, Research, Risk assessment. It's designed for both personal and professional use.

Can I use this on mobile devices?

Yes, our Variance Calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers. The interface adapts to your screen size for optimal usability.

Do you store my calculation data?

No, we don't store any of your input data or calculation results. All calculations are performed locally in your browser for complete privacy and security.