Symmetry is a tree requirement.

Which of the following best describes a style manual?

A) A set of standards for designing documents B) A reference document providing rules for conducting research C) A description of various letter styles, including block and modified block D) A publication listing all Word styles, such as Heading and Body Text

Many partitional clustering algorithms that automatically determine the number of clusters claim that this is an advantage. List two situations in which this is not the case.

What will be an ideal response?