Question: Based on a sample on n observations, (x1, y1), (x2, y2), .. ,(xn, yn), the sample regression of y on x is calculated. Show that

Based on a sample on n observations, (x1, y1), (x2, y2), .. ,(xn, yn), the sample regression of y on x is calculated. Show that the sample regression line passes through the point (x = x-bar, y = y-bar), where x and y are the sample means.

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