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 variable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample of n = 6 professional basketball players gave the following information x 67 64 75 86 y 42 39 48 51 44 51 (a) Find Ex, Ey, Ex2, Ey2, Exy, and r. (Round r to three decimal places.) Ex=438✔ Ey 275✔ Ex²-32264✔✔ Ey² - 12727✔ Exy = 20231 r- .645 x

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