Which Statement Best Describes a Parameter

question 10

Multiple Choice

Which statement best describes a parameter?

• A) A parameter is a numerical measure of a population that is almost always unknown and must be estimated.
• B) A parameter is a level of confidence associated with an interval about a sample mean or proportion.
• C) A parameter is a sample size that guarantees the error in estimation is within acceptable limits.
• D) A parameter is an unbiased estimate of a statistic found by experimentation or polling.

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Definitions:

Serotonin

A neurotransmitter in the brain that affects mood, social behavior, appetite, digestion, sleep, memory, and sexual desire and function.

Dopamine

A neurotransmitter involved in controlling movement and posture, moderating mood, and affecting motivation and reward.

Impulsivity

A tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences.

Novelty Seeking

The trait of pursuing new and different experiences, sensations, and objects, often driven by a desire for excitement and exploration.