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The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were...

The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 20 students in a beginning computer-science course. The results were as follows. x 5 17 21 12 21 20 14 21 18 17 19 16 9 7 6 21 17 10 18 15 y 19 19 24 36 27 26 25 28 17 27 21 24 18 18 14 28 21 22 20 21 (a) Find the equation of the line of best fit. (Round your slope to four decimal places and your y-intercept to three decimal places.) = + x (b) Find se2. (Round your answer to two decimal places.)

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