Ononot — Let X1, X2, \ldots, Xn be i.i.d. with mean \mu and variance

Guest Session: 1 Question Remaining. Create Account to save progress.

Random Variablesmedium

0:00.0

Let $X_1, X_2, \ldots, X_n$ be i.i.d. with mean $\mu$ and variance $\sigma^2$ . What is $Var(\bar{X})$ where $\bar{X} = \frac{1}{n}\sum X_i$ ?