Iccessful field goals a professional basketball player makes in a season. A random sample of n = 6 professional basketball players gave the following information. 67 65 86 73 73 75 42 40 48 51 44 51 (a) Verify that Ex=439, Ey=276, Ex²=32,393, Ey²=12,806, and Exy=20,335. Find r. (Round r to three decimal places.) Ex = Ey = Ex? = Ey² = Exy = r= (c) Find a, b, and x. (Round your answers to four decimal places.) a =

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