Which property of a sequence of estimators θ^n\hat{\theta}_nθ^n describes that P(∣θ^n−θ∣>ϵ)→0P(|\hat{\theta}_n - \theta| > \epsilon) \to 0P(∣θ^n−θ∣>ϵ)→0 as n→∞n \to \inftyn→∞?
Unbiasedness
Consistency
Efficiency
Sufficiency