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July 31, 2015

Homework Help: statistics check

Posted by tracy12 on Sunday, June 23, 2013 at 8:41pm.

The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal places.)

x 7 10 19 9 20 22 6 13 18 15
y 29 27 28 33 24 15 25 23 21 18

(a) Find the equation of the line of best fit.
y hat = -0.56 + 1.78 x

(b) Find se2.
36.00

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