Why Does the Least Squares Regression Line Minimize Σ( Y

question 31

Short Answer

Why does the least squares regression line minimize Σ( Y - Y' ) ² , rather than Σ( Y - Y' )?

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Definitions:

Universal

Pertaining to all members or elements in a given group or category without exception.

Copula

A word used to link the subject of a sentence with a predicate (a subject complement), such as the verb 'to be' in many contexts.

Abstract

A summary or an overview of the main points of a scientific work, document, or article.

Quality

The affirmative or negative character of a categorical proposition.