EmojiKaomoji

Statistics · dispersion

Sample Standard Deviation Formula

Estimates sample spread in the original units.

s = √(Σ(xᵢ − x̄)² / (n − 1))

Variables

s
sample standard deviation
xᵢ
sample values
x̄
sample mean
n
sample size

Reference details

Subject
Statistics
Topic
dispersion
Plain text
s = sqrt(sum(x_i-x-bar)^2/(n-1))

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