As an Aid to the Establishment of Personnel Requirements, the Director

question 114

Multiple Choice

As an aid to the establishment of personnel requirements, the director of a hospital wishes to estimate the mean number of people who are admitted to the emergency room during a 24-hour period. The director randomly selects 64 different 24-hour periods and determines the number of admissions for each. For this sample, X = 19.8 and S = 5. Which of the following assumptions is necessary in order for a confidence interval to be valid?

• A) The population sampled from has an approximate normal distribution.
• B) The population sampled from has an approximate t distribution.
• C) The mean of the sample equals the mean of the population.
• D) None of these assumptions are necessary.

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Definitions:

Perceptual Distortion

Perceptual distortion refers to inaccuracies or misinterpretations of sensory input, caused by biases, preconceptions, or psychological influences, affecting how information is perceived and processed.

Intermittent Reinforcement Schedule

A conditioning schedule in which a reward or punishment (reinforcement) is not administered every time the desired response is performed, leading to more resistant behavioral patterns.

Fixed Interval Schedule

A reinforcement schedule in operant conditioning where rewards or consequences are presented at fixed time intervals, promoting a specific pattern of behavior over time.

Continuous Reinforcement

A reinforcement schedule in which a reward occurs after each instance of a behavior or set of behaviors.