Posted by **Casey** on Thursday, November 7, 2013 at 11:06pm.

I already found part A just need help with B!

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 22 11 7 18 14 8 22 9 9 6

y 15 24 28 28 33 27 21 30 19 15

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

Y = 26.24 + -.18 x

(b) Find se2.

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