Question: 01.8 Standard Error 2 Points If $X$ and $Y$ are random variables, which is necessary in order for SE(X l Y) = V SE(X)2 +

01.8 Standard Error 2 Points If $X$ and $Y$ are random

01.8 Standard Error 2 Points If $X$ and $Y$ are random variables, which is necessary in order for SE(X l Y) = V SE(X)2 + SE(Y)2? 0 always true 0 X and Y are independent 0 X and Y are mutually exclusive 0 X and Y are not constant 0 none of the above

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