Suppose the Ordinary Least-Squares Approach to a Regression Analysis Produced

question 47

Multiple Choice

Suppose the ordinary least-squares approach to a regression analysis produced the following: Y = 20 - 39X and R2 = .90.Which of the following statements is FALSE?

• A)For every unit change in X there is a corresponding negative change in the average value of Y of 39 units.
• B)90% of the variation in Y is associated with variation in X.
• C)The slope of the line is 20.
• D)The average value of Y given x = 10 is −370.
• E)If X = 0,then Y = 20.

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Definitions:

Information-Processing Approach

A perspective in cognitive psychology that examines how humans interpret, store, and retrieve knowledge, paralleling human thought processes to computer operations.

Processing Limitations

Refers to the bounds on the ability of individuals to process information, due to various cognitive or neural constraints.

Self-Motivation

The internal drive or initiative that leads an individual to act or pursue goals without external influence or reward.

Habituation

Decreased responsiveness to a stimulus after repeated presentations of the stimulus.