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Felfortplantningsformlerna - Matematiska institutionen - Stockholms ...

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7 FACIT 14Approx: Var(Y/X) ≈ 0.003781Om X, Y antar värdena 0.5, 1:Exakt: Var(Y/X) = 19/64 ≈ 0.297Approx: Var(Y/X) = 2/9 ≈ 0.222F9) e = 1+2/λ+1/λ21+2/λ> 1 ⇒ ˆγ 1 är bättre. e →{∞ då λ → 01 då λ → ∞

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