Which of the Following Statements Is True of Unsupervised Data

question 65

Multiple Choice

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

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

Understand the various types of charts and graphs used in behavioral and social sciences to illustrate data.

Understand and identify different measures of variability.

Calculate the range of a given set of scores.

Understand the concept and calculation of variance.

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Definitions:

Neural Signals

Electrical impulses transmitted by neurons that facilitate communication within the nervous system and between the nervous system and the rest of the body.

Top-down Processing

A cognitive process where perception starts with the brain and works downward, meaning it's guided by context, previous knowledge, and expectations.

Prior Experience

Previous encounters or knowledge that influence how an individual perceives or reacts to new situations.

Perception

The psychological process through which people interpret sensory information in order to represent and understand the environment around them.