When using the least squares method, the column of residuals always sums to zero.

Name: When using the least squares method, the column of residuals always sums to zero.
Brand: Quizplus
Rating: 4.8 (29 reviews)

Question

Quizplus · Accepted Answer

This is because the least squares method minimizes the sum of squares of the residuals, with the condition that the sum of the residuals is zero. Therefore, if one residual is positive, another must be negative in order to maintain this condition.

When Using the Least Squares Method, the Column of Residuals