Suppose 5 students have the following scores, given as pairs (quiz 1 score, quiz 2 score): Student 1: 10, 10 Student 2: 9, 8 Student 3: 6, 8 Student 4: 5, 9 Student 5: 10, 9 The regression analysis shows r = .76. The equation of the best fitting regression line is y = 4 + .5x where x = quiz 1 score (in points) and y = quiz 2 score (in points). What is the residual for Student 1? OO O -1 None of the other choices is correct 0 1