Variance Calculator

Sample / Population • Raw list or value:count • Ajax loading • Hard reset
Live

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)
Mean
Variance
Std deviation
SSE
Sum of squared deviations: Σ w·(x−μ)²
Min / Max
Range
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Action

Hard reset: cancels pending updates and clears everything on the first click.

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