Variance Calculator
Sample / Population • Raw list or value:count • Ajax loading • Hard reset
Input data
Separators: comma, space, newline, semicolon. Frequency format: value:count (count must be positive integer).
Quick summary
Paste numbers to compute variance.
Results
Count (n)
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Mean
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Variance
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Std deviation
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SSE
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Sum of squared deviations: Σ w·(x−μ)²
Min / Max
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Range
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Updating…
Action
Hard reset: cancels pending updates and clears everything on the first click.