Solve the Problem. -For the Study Described Below, Identify the Population Parameter. a Population

question 124

Multiple Choice

Solve the problem.
-For the study described below, identify the population parameter. A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.

• A) The average stress rating for the 275 emergency-room nurses interviewed
• B) The average stress rating for all emergency-room nurses in the U.S.
• C) All emergency-room nurses in the U.S.
• D) The average stress rating for all emergency-room nurses in the world

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Definitions:

Electroencephalograph

An instrument used to record the electrical activity of the brain, typically via electrodes placed on the scalp.

Brain-Wave Activity

The patterns of neuronal electrical oscillations in the brain, detectable with techniques such as EEG, and associated with different states of consciousness.

Epilepsy

A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.

Reticular Formation

A system in the midbrain comprising a diffuse collection of neurons involved in stereotyped patterns of behavior such as walking, sleeping, and turning to attend to a sudden noise.