Question

What is the most appropriate no. of clusters for the data points represented by the following dendrogram?

Options:

A. 2

B. 4

C. 6

D. 8

Answer 1

Answer: (B)

The decision of the no. of clusters that can best depict different groups can be chosen by observing the dendrogram. The best choice of the no. of clusters is the no. of vertical lines in the dendrogram cut by a horizontal line that can transverse the maximum distance vertically without intersecting a cluster.