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when given the slope of a linear regression with the points (2,3), (4,7), and (6,8) how do you find the y-intercept?

 May 30, 2014

Best Answer 

 #1
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The best-fit linear regression equation to your three points is y = 1 + 1.25x (see graph below).  hence the y-intercept is y=1.

regress

Rather than go into the details of how this line is calculated here, have a look at http://i60.tinypic.com/rl97o1.png for example.

 May 30, 2014
 #1
avatar+33666 
+5
Best Answer

The best-fit linear regression equation to your three points is y = 1 + 1.25x (see graph below).  hence the y-intercept is y=1.

regress

Rather than go into the details of how this line is calculated here, have a look at http://i60.tinypic.com/rl97o1.png for example.

Alan May 30, 2014

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