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The following uncited alleged property was put in on 4 December 2011 by a single-edit anon:
"If X, Y are two different random variables such that X is mean independent of Y and Z = f(X), which means that Z is a function only of X, then Y and Z are mean independent."
I'm reverting this because the following is a counterexample: Let Y take on either of two values and and say that if then while if then and say Then regardless of y, yet if then so while if then so Loraof (talk) 22:19, 2 August 2017 (UTC)[reply]