Variance Calculator
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Formula:
Population Variance (σ²)
σ² = Σ(x − μ)² / N
Sample Variance (s²)
s² = Σ(x − x̄)² / (n − 1)
Where:
x = observation
μ or x̄ = mean
N or n = number of observations
Population Variance (σ²)
σ² = Σ(x − μ)² / N
Sample Variance (s²)
s² = Σ(x − x̄)² / (n − 1)
Where:
x = observation
μ or x̄ = mean
N or n = number of observations
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