Formula Explanation
Variance = average squared distance from mean
This calculator applies the formula Variance = average squared distance from mean. Enter each value with the matching unit, and AZCalculate updates the result instantly.
Mathematics
Variance Calculator
Use this variance calculator to calculate calculate population variance for three values.
variancestatisticsspread
Calculator
Calculate instantly
Calculator Inputs
Choose what you want to calculate, enter realistic values, adjust units where shown, and use the scenario section for repeated-use planning.
Input and Formula Breakdown
This calculator applies the formula Variance = average squared distance from mean. Enter each value with the matching unit, and AZCalculate updates the result instantly.
Value A
10
Value B
15
Value C
20
Variance
16.67
Scenario and Comparison
Current
16.67
Projected
200
Adjusted
18.33
Visual Comparison
Current result16.67
Projected usage200
Comparison scenario18.33
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Use Cases
- Measure variation
- Analyze datasets
- Study statistics
Step-by-Step Explanation
- Step 1Enter the known values in the calculator fields.
- Step 2Keep the units consistent with the labels shown beside each input.
- Step 3Apply the formula: Variance = average squared distance from mean.
- Step 4Review the primary result and supporting values.
Example calculation
Example variance calculator
Given
- Value A: 10
- Value B: 15
- Value C: 20
Steps
- Use the values shown above.
- Apply Variance = average squared distance from mean.
Result
The calculator above shows the computed answer instantly from these example values.
Calculator guide
About this Variance Calculator
Calculate population variance for three values. This page includes an interactive calculator, concise formula notes, worked examples, FAQs, related calculators, and practical guidance you can revisit whenever needed.
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Calculator usage
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Total saved calculations
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Most active date
2026-06-05
FAQ
Variance Calculator FAQs
How does the variance calculator work?+
It uses Variance = average squared distance from mean and calculates the result from the values you enter.
Can I copy or print the result?+
Yes. AZCalculate calculator pages include copy, share, and print actions.
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