Which of the Following Statements Is True About Unsupervised Data

question 30

Multiple Choice

Which of the following statements is True about unsupervised data mining?

• A) Analysts do not create a model or hypothesis before running the analysis.
• B) Neural networks are a popular unsupervised data mining application.
• C) Unsupervised data mining requires tools such as regression analysis.
• D) Data miners develop a model prior to the analysis and apply statistical techniques to data.

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Definitions:

Direct Labor-Hours

The total hours worked by employees directly involved in manufacturing a product or providing a service, often used to allocate manufacturing overhead.

Machine-Hours

A measure of production activity that quantifies the total hours a machine is operated within a given period.

Forming Department

A division within a manufacturing process where raw materials are shaped into finished products or components.

Finishing Department

The section in a manufacturing process where products are completed, tested, and prepared for delivery.