Which of the Following Statements Is True of Unsupervised Data

question 4

Multiple Choice

Which of the following statements is true of unsupervised data mining?

• A)Analysts apply unsupervised data mining techniques to estimate the parameters of a developed model.
• B)Analysts create hypotheses only after performing an analysis.
• C)Regression analysis is the most commonly used unsupervised data mining technique.
• D)Data miners develop models prior to performing an analysis.

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Definitions:

Anxiety-related Confusion

A state of perplexity or disorientation that is directly linked to anxiety, where stress impairs cognitive functions.

Normal Forgetfulness

A common and typically non-concerning level of memory lapses or forgetfulness that occurs as a part of the normal aging process.

Delirium

An acute, often sudden disturbance in mental abilities that results in confused thinking and reduced awareness of the environment.

Long-term Care

A variety of services and supports to meet health or personal care needs over an extended period of time.