The Method of Least Squares Requires That the Sum of the Squared

question 135

True/False

The method of least squares requires that the sum of the squared deviations between actual y values in the scatter diagram and y values predicted by the regression line be minimized.

---

Definitions:

Pure Monopoly

A market structure where a single supplier provides a unique product or service with no close substitutes, controlling the entire market.

Oligopoly

A market structure characterized by a small number of firms controlling a large majority of the market share, often leading to limited competition.

Monopolistic Competitive

A market structure characterized by many firms selling products that are substitutes but differentiated from one another, leading to non-price competition.

Short Run

A period in economics during which at least one input, such as plant size, is fixed and cannot be changed by a firm.