The accompanying data show the number of hours, x, studied for an exam and the grade received, y(y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). Draw the scatter diagram with the raw exam score on the y-a: the number of hours studied for the exam on the x-axis. O O O O 100 90- 80 70 60- 50- 100- 90- 80 70 00 50 90 100- 80 70- 2 60- 50- 90 80 2 100- 60 50 70- 10 9 2 3 3 3 x 2 у 4 5 445566 66 77 88 77 8698791089 5 6 7 8 8 8

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