PROOF 171
Prove.
The standard deviation returns to the original unit
On finite data.
Definition D1
Let dᵢ = xᵢ − x̄. Then σ² = (Σdᵢ²)n⁻¹ is called the variance and σ = √(σ²) the standard deviation.
Proof.
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PROOF 171
The standard deviation returns to the original unit
On finite data.
Definition D1
Let dᵢ = xᵢ − x̄. Then σ² = (Σdᵢ²)n⁻¹ is called the variance and σ = √(σ²) the standard deviation.
Proof.
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