Standard Deviation Calculator

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Sample Standard Deviation (s)n - 1 divisor

5.2372

Used when your data represents a sample taken from a broader population.

Sample Variance (s²):27.4286

Std Error of Mean (SE):1.8516

Population Standard Deviation (σ)N divisor

4.8990

Used when your dataset represents the entire complete population.

Population Variance (σ²):24.0000

Mean (μ):18.0000

Count (N):8

Sum of (x - μ)² = 192.0000

i	xᵢ	(xᵢ - μ)	(xᵢ - μ)²
1	10	-8.0000	64.0000
2	12	-6.0000	36.0000
3	23	+5.0000	25.0000
4	23	+5.0000	25.0000
5	16	-2.0000	4.0000
6	23	+5.0000	25.0000
7	21	+3.0000	9.0000
8	16	-2.0000	4.0000

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