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September 17, 2014

September 17, 2014

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

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.

- statistics -
**Kuai**, Friday, November 1, 2013 at 11:16amy hat = .255x + 23.695

y bar = 26.4

x bar = 10.6

SE² =

[ Σ(y-yBar)^2 - [Σ(x-xBar)(y-yBar)]²/Σ(x-xBar)² ] /(n-2)

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