In the Least-Squares Regression Line = 3 - 2x

question 66

Multiple Choice

In the least-squares regression line = 3 - 2x, which of the following is the correct predicted value of y?

• A) 1.0 when x = 1.0
• B) 1.0 when x = -1.0
• C) 2.0 when x = 1.0
• D) 2.0 when x = -1.0

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Definitions:

AP

Advance Placement; a program in the United States and Canada offering college-level curriculum and examinations to high school students.

Economies of Scale

The cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Diseconomies of Scale

The situation where a company or business grows so large that the costs per unit increase, leading to inefficiency.

Constant Returns to Scale

A condition in production where increasing the inputs results in a proportional increase in output.