Question: Consider an example of Linear regression model. We have four points: ( 1 , 2 ) , ( 2 , 1 ) , ( 3

Consider an example of Linear regression model. We have four points: (1,2),(2,1),(3.4).(4,3) which can be viewed as a training set. Each point has a feature z and a corresponding label y. For instance, (1,2) means x is 1 and y is 2, and similarly for the other points.

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