Question: 7. Assume that X1, X2, , X25 are sampLe randomized from a normaL popuLation with mean = 50 and variance = 100. Y1, Y2, ,

7. Assume that X1, X2, , X25 are sampLe randomized from

7. Assume that X1, X2, , X25 are sampLe randomized from a normaL popuLation with mean = 50 and variance = 100. Y1, Y2, , Y8 are another sampLe randomized from a normaL popuLation with mean = 60 and variance = 64. Find variance of X Y

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