Question: What is the least squares method and how is it used to find the estimated regression equation? What is the role of least squares method

What is the least squares method and how is it used to find the estimated regression equation? What is the role of least squares method in calculating coefficient of determination? Explain.

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What is the least squares method and how is it used to find the estimated regression equation? What is the role of least squares method in calculating coefficient of determination? Explain.

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