Least squares II Consider the four points (200,1950),
Chapter 6, Problem 78E(choose chapter or problem)
Problem 78E
Least squares II Consider the four points (200,1950), (400,1650), (600,1800), and (800,1600). The least squares line is yn = 1975 - 0.45x. Explain what “least squares” means, using these data as a specific example.
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