A Sample of 24 Observations Is Taken from a Population $\bar { X }$

question 26

Multiple Choice

A sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of $\bar { X }$ is _____.

• A) approximately normal because \(\bar { X }\) is always approximately normally distributed
• B) approximately normal because the sample size is large in comparison to the population size
• C) approximately normal because of the central limit theorem
• D) normal if the population is normally distributed

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Definitions:

Reticular Activating System

A network of nerves in the brainstem that mediates overall alertness and regulates the transition between sleep and wakefulness.

Extraversion/Introversion

Personality traits that describe the social preferences of individuals, with extraversion indicating a preference for external stimulation and social interaction, and introversion indicating a preference for solitude and internal experiences.

Overaroused

A state of heightened physiological and psychological activity, often leading to stress, anxiety, or heightened sensory sensitivity.

Frontal Lobes

Regions of the brain located at the front part of the cerebral cortex, responsible for executive functions, decision making, controlling impulses, and emotional expression.