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 3 15 19 14 23 22 14 21 18 15 17 16 7 5 4 21 17 12 18 13 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.) y=_______ + _______ x (b) Find se2. (Round your answer to two decimal places.) ________

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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 3 15 19 14 23 22 14 21 18 15 17 16 7 5 4 21 17 12 18 13
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.)
y=_______ + _______ x

(b) Find se2. (Round your answer to two decimal places.)
________
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