Math & Statistics
Standard Deviation
Measure spread for a five-value population.
Your inputs
Change any value to update the result instantly.
Population standard deviation
2.8284
Mean
6
Variance
8
Formula and working
σ = √(Σ(x − μ)² ÷ N)
- 1
Substitute your values
Value 1 = 2; Value 2 = 4; Value 3 = 6; Value 4 = 8; Value 5 = 10
- 2
Apply the formula
σ = √(Σ(x − μ)² ÷ N) = 2.83
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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