Which One of the Following Is True About Nonhierarchical Clustering

Multiple Choice

Which one of the following is true about nonhierarchical clustering algorithms?

A) The combined clusters are those that minimize the total sum of squared distance
B) They determine cluster similarity using the maximum or farthest distance between units in a cluster
C) They have small and relatively equal within-cluster variation
D) They minimize the within-cluster variation and maximize the between-cluster distance