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 14 21 22 16 21 18 17 17 16 7 7 4 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.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter8: Polynomials
Section8.1: Adding And Subtracting Polynomials
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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 5 17 21 14 21 22 16 21 18 17 17 16 7 7 4 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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