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Statistics · dispersion

Population Standard Deviation Formula

Measures population spread in the original units.

σ = √(Σ(xᵢ − μ)² / N)

Variables

σ
population standard deviation
xᵢ
population values
μ
population mean
N
population size

Reference details

Subject
Statistics
Topic
dispersion
Plain text
sigma = sqrt(sum(x_i-mu)^2/N)

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