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Var[X+Y]=Var[X]+Var[Y]$$Var[X+Y]=Var[X]+Var[Y]$$ for any two independent random variables X$X$ and Y$Y$, which is the statistics equivalent of the Pythagorean Theorem.
Var[X+Y]=Var[X]+Var[Y] for any two independent random variables X and Y, which is the statistics equivalent of the Pythagorean Theorem.
$$Var[X+Y]=Var[X]+Var[Y]$$ for any two independent random variables $X$ and $Y$, which is the statistics equivalent of the Pythagorean Theorem.
