Why Are Z-Scores Used to Check for Outliers

question 16

Multiple Choice

Why are z-scores used to check for outliers?

• A) They standardize scores for a known mean and standard deviation, allowing comparison.
• B) They allow you to allocate letters for missing values.
• C) A z-score is an outlier.
• D) They standardize scores in order to convert them to values closer to the mean.

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Definitions:

Level of Functioning

Level of functioning generally refers to an individual's capacity to perform normal daily activities and fulfill societal roles, often assessed in medical and psychological contexts.

Electroencephalogram

A diagnostic test that records electrical activity in the brain using electrodes attached to the scalp, commonly used to diagnose and monitor neurological disorders.

Intelligence Quotient (IQ) Test

A standardized test designed to measure a person's cognitive abilities and compare them to the general population.

Mental Status

A composite of an individual's psychological and emotional functioning, often assessed through observation of appearance, behavior, cognitive function, and mood.