If a regression line that was calculated by ordinary least squares is plotted on a scatter diagram, all of the points in the data set will be on the line.

Question

Quizplus · Accepted Answer

In ordinary least squares regression, the regression line is calculated to minimize the sum of the squares of the vertical distances (residuals) between the observed values and the values predicted by the line. Not all points will lie exactly on the regression line unless the data points are perfectly linearly related, which is rare in real-world data.

If a Regression Line That Was Calculated by Ordinary Least