What is the term for data that are grouped closely together?

A. outlier
B. linear
C. positive
D. clustering

outlier

The term for data that are grouped closely together is clustering.

The term for data that are grouped closely together is called "clustering." Clustering refers to the process of grouping similar items or data points together based on their characteristics or attributes. It is used in various fields, such as data analysis, machine learning, and pattern recognition. Clustering allows us to identify patterns, relationships, or similarities within a dataset and gain insights from the grouped data.

well, what is a cluster?