Find the least-squares regression line y^ =b0+b1xy^=b0+b1x through the points (−3,1),(1,8),(6,13),(7,18),(12,27). For what value of is y^ =0?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Find the least-squares regression line y^ =b0+b1xy^=b0+b1x through the points

(−3,1),(1,8),(6,13),(7,18),(12,27).

For what value of  is y^ =0?

 

x =?

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