Solved: The point (x, y) is the center of mass for the collection of points in Exercise
Chapter 5, Problem 8(choose chapter or problem)
The point (x, y) is the center of mass for the collection of points in Exercise 7. Show that the least squares line must pass through the center of mass. [Hint: Use a change of variables z = x x to translate the problem so that the new independent variable has mean 0.]
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