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An instructor has fiven a short quiz consisting of two partsi. For a randomly selected student, let
X= the number of points earned on the first part and Y = the number of point earned on the
second part. Suppose that the joint amt of X and Y is given in the accompanying table. (a)
Compute the covariance for X and Y. (Round your answer to two decimal places.) Cov(xi,y3=
(b) Compute a for X and Y, (Round your answer to two decimal places.)

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  • 1. An instructor has fiven a short quiz consisting of two partsi. For a randomly selected student, let X= the number of points earned on the first part and Y = the number of point earned on the second part. Suppose that the joint amt of X and Y is given in the accompanying table. (a) Compute the covariance for X and Y. (Round your answer to two decimal places.) Cov(xi,y3= (b) Compute a for X and Y, (Round your answer to two decimal places.)