If an Economist Wishes to Determine Whether There Is Evidence

question 72

Multiple Choice

If an economist wishes to determine whether there is evidence that mean family income in a community exceeds $50,000,

• A) either a one-tail or two-tail test could be used with equivalent results.
• B) a one-tail test should be utilized.
• C) a two-tail test should be utilized.
• D) none of the above

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Definitions:

Operant-Conditioning Principles

A set of theories in behavioral psychology that posit behavior is shaped by its consequences, including reinforcement and punishment.

German Shepherd

A breed of working dog known for its intelligence, strength, and versatility in various tasks including police, military, and service roles.

Partial-Reinforcement Schedule

A conditioning schedule in which a reward is not administered every time the desired response is performed, typically leading to slower extinction of the behavior than with continuous reinforcement.

Secondary Reinforcers

Stimuli that acquire their reinforcing properties through their association with primary reinforcers, which are inherently rewarding.