In the figure below, if you draw a horizontal line on the y-axis for y=2. What will be the number of clusters formed?
Clustering Techniques Skill Test
Options:
A. 1
B. 2
C. 3
D. 4
Answer: (B)
Since the number of vertical lines intersecting the red horizontal line at y=2 in the dendrogram is 2, therefore, two clusters will be formed.