The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Calculate the correlation coefficient r. Hours, x 8 10 7 13 7 9 9 1011 8. Scores, y 61 76 56 84 62 74 81 86 86 67 O A. 0.761 O B. 0.847 Oc. 0.991 O D. 0.654

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