In Order to Determine an Interval for the Mean of a Population

question 109

Multiple Choice

In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected. The mean of the sample is determined to be 23. The number of degrees of freedom for reading the t value is

• A)22
• B)23
• C)60
• D)61

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Definitions:

Drug Habituation

The diminished response to a drug after repeated use, often leading to the need for increased doses to achieve the original effect.

Classical Conditioning

A procedure of learning through which the regular pairing of two stimuli results in a response that was at first initiated by the second stimulus but is ultimately initiated by the first stimulus alone.

Operant Conditioning

A learning method where the consequences of a behavior (reinforcements or punishments) influence the likelihood of that behavior occurring again.

Latent Learning

Learning that occurs without obvious reinforcement and is not immediately observable in an individual’s behavior.