Convergence, Probability, Cumulative Distribution, Statistics, Editors Pick.
or Tails independent of each other. Let’s define one more random variable W_k. W_k is the absolute difference between the observed values of X_k and X. W= |X_k — X| What can we say about the expected value of W_k, i.e. E(W_k)? E(W_k) is the mean of the absolute difference between the observed