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'2. Show that Var ()-2X cov( Xi, Xj)- Compare this formula with var( X+Y) = var X+ Var Y+2cov(X,Y):'

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Numerade Collegealgebra

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'2. Show that Var ()-2X cov( Xi, Xj)- Compare this formula with var( X+Y) = var X+ Var Y+2cov(X,Y):'

'2. Show that Var ()-2X cov( Xi, Xj)- Compare this formula with var( X+Y) = var X+ Var Y+2cov(X,Y):'

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