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Covariance between the two total scores

Let:

X1 and X2 be quantitative and verbal scores on an exam

Y1 and Y2 be quantitative and verbal scores on another exam

If:

Cov(X1, Y1) = 5

Cov(X1, Y2) = 1

Cov(X2, Y1) = 2

Cov(X2, Y2) = 8

What is the covariance between the two total scores X1+X2 and Y1+Y2?

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Basic Statistics: Covariance between the two total scores

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Covariance between the two total scores

Reference No:- TGS0680952

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Covariance between the two total scores

Reference No:- TGS0680952

Recent Questions Asked Basic Statistics

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