Which Statement Is Not True About Cluster Analysis

question 12

Multiple Choice

Which statement is not true about cluster analysis?

• A) Objects in each cluster tend to be similar to each other and dissimilar to objects in the other clusters.
• B) Groups or clusters are suggested by the data,not defined a priori.
• C) Cluster analysis is also called classification analysis or numerical taxonomy.
• D) Cluster analysis is a technique for analyzing data when the criterion or dependent variable is categorical and the independent variables are interval in nature.

---

Definitions:

Hallucinate

To experience perceptions of objects, sounds, or sensations that have no external source, often associated with certain mental health conditions or substance use.

Delirium

An acute, often sudden confusion characterized by altered consciousness, cognitive impairment, and a fluctuation in awareness, typically resulting from an underlying medical condition.

Penetrating Head Injuries

Injuries where an object pierces the skull and enters the brain, potentially causing severe damage and requiring immediate medical attention.

Closed Head Injuries

Injuries to the head where the skull remains intact but the brain is damaged, often leading to temporary or permanent neurological issues.