The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 0.5 1 1.5 2 2.5 | 3.5 4.5 60 63 69 81 84 87 90 Midterm Grades Cop Step 3 of 3: Calculate the coefficient of determination, r². Round your answer to three decimal places.

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