Posted by **statistics student** on Friday, November 1, 2013 at 3:41am.

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 6 9 11 11 5 14 8 15 20

y 29 28 32 18 21 24 32 24 24 32

(a) Find the equation of the line of best fit.

y hat = + x

(b) Find se2.

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