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 5 7 4 10 4 6 6 785 Scores, y 63 78 58 86 64 76 83 88 88 69 OA. 0.847 OB. 0.761 OC. 0.991 OD. 0.654

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