(Requires Appendix)The Sample Average of the OLS Residuals Is

question 21

Multiple Choice

(Requires Appendix) The sample average of the OLS residuals is

• A)some positive number since OLS uses squares.
• B)zero.
• C)unobservable since the population regression function is unknown.
• D)dependent on whether the explanatory variable is mostly positive or negative.

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Definitions:

Observational Learning

A learning process where individuals acquire new behaviors or information by watching others.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Imprinting

The process by which some animals exhibit the fixed action pattern (FAP) of attachment in response to a releasing stimulus. The FAP occurs during a critical period and is difficult to modify.

Cognitively Accurate

Referring to thoughts or perceptions that correctly represent reality.