A Survey of Full Professors (Highest Ranking) in History Found

question 48

Multiple Choice

A survey of full professors (highest ranking) in History found that the average income is $74,914. Because that survey is now over 8 years old, an institutional researcher wants to test this figure by taking a random sample of 112 History professors with full professorship status. The researcher finds a sample mean of $81,342. The population standard deviation is known to be $15,121.
-The test statistic is _____.

• A)4.50
• B)47.61
• C)9.00
• D)-47.61
• E)-4.50

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Definitions:

Negative Reinforcement

A behavioral principle where the removal of a negative condition strengthens a desired behavior.

Desirable Stimulus

A stimulus that elicits a positive response due to its appealing nature.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a desired behavior.

Punishment

A process where an undesired behavior is followed by a consequence, typically reducing the likelihood of that behavior occurring again.