Question: If n = 9, E(x - x)2 = 60, E( - y)2 = 70, E(x -x)(y-y) = 62, then the regression coefficient of y on

If n = 9, E(x - x)2 = 60, E( -

If n = 9, E(x - x)2 = 60, E( - y)2 = 70, E(x -x)(y-y) = 62, then the regression coefficient of y on x is 20

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