Let x be a random variable that represents the percentage of successful free throws a professional basketball player makes in a season. Let y be a random vanable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample of 0 - 6 professional basketball players gave the following information.
X 67 64 75BG 86 73 73
Y 42 40 48 51 44 51
(a) Find Ex, Xy, Ex^2, Ey^2, Exy, and r. (Round to three decimal places.)