Questão 3311186

Var(T(s)) = \(N\ \frac{\sigma}{n}\)

Var(T(s)) = \(N\ ^2\frac{\sigma^2}{2n}\)

Var(T(s)) = \(N^3\frac{\sigma^2}{2n}\)

Var(T(s)) = \(N^2\frac{\sigma^2}{n}\)

Var(T(s)) = \(N^3\frac{\sigma^2}{2}\)