The linear least squares line always goes through the point corresponding to the mean values of X and Y.

Name: The linear least squares line always goes through the point corresponding to the mean values of X and Y.
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Quizplus · Accepted Answer

The linear least squares regression line, by its mathematical derivation, always passes through the point that corresponds to the mean of the X values and the mean of the Y values. This point is often referred to as the centroid or the center of mass of the data points.

The Linear Least Squares Line Always Goes Through the Point