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 23 22 16 19 18 17 19 16 7 7 4 19 19 12 20 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.) Y (with ^ above it) = __________ + __________x (b) Find Se2 (Second Power) . (Round your answer to two decimal places.)

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
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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 12 23 22 16 19 18 17 19 16 7 7 4 19 19 12 20 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.)
Y (with ^ above it) = __________ + __________x

(b) Find Se2 (Second Power) . (Round your answer to two decimal places.)
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