Find the least-squares line that best fits the data
Chapter 6, Problem 1E(choose chapter or problem)
Find the least-squares line \(y=\beta_{0}+\beta_{1} x\) that best fits the data (-2,0),(-1,0),(0,2),(1,4), and (2,4), assuming that the first and last data points are less reliable. Weight them half as much as the three interior points.
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