Question: Nonparametric statistics question Use F- distribution Consider t he following functions of the random variables Y1, Y2, Y3, Y4: W1 = =(Y1 + Y2 +

Nonparametric statistics question Use F- distribution

Consider t he following functions of the random variables Y1, Y2, Y3, Y4: W1 = =(Y1 + Y2 + Y's + Y4) W2 = = (Yi + Y2) - = (13 + Y4) a. State the above in matrix notation. b. Find the expectation of the random vector W. c. Find the variance-covariance matrix of W

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