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Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. X 4 6 1
Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. X 4 6 1 5 4 y 85 85 75 95 65 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). X (SS(x)) X (SS(y)) X (SS(xy)) (b) Find r. (Give your answer correct to three decimal places.) X
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Brief Calculus & Its Applications
Authors: Larry J Goldstein, David C Lay, David I Schneider, Nakhle I Asmar
13th Edition
0321888510, 9780321888518
