Which of the following is a type of hierarchical clustering?Answer areaK-MeansDBSCANAgglomerative clusteringMean Shift

Which of the following is NOT a type of clustering?  Answer areaHierarchical clusteringDensity-based clusteringAgglomerative clusteringDecision tree clustering

Which of the following algorithms is commonly used for hierarchical clustering?Agglomerative clusteringExpectation-Maximization (EM)DBSCANK-Means

What is a key characteristic of hierarchical clustering?Answer areaIt requires the number of clusters to be specified in advanceIt can be visualized using a dendrogramIt is a partitional clustering methodIt is always faster than K-Means

Explain the concept of hierarchical clustering. Compare and contrastagglomerative and divisive hierarchical clustering. Discuss theapplications of hierarchical clustering in real-world situations.

Which clustering algorithm does not require specifying the number of clusters beforehand?Hierarchical clusteringDBSCANK-MeansAgglomerative clustering