In Non-Hierarchical Clustering,plotting the Ratio of Total Within-Group Variance to Between-Group

question 39

Multiple Choice

In non-hierarchical clustering,plotting the ratio of total within-group variance to between-group variance against the number of clusters is useful if you are ________.

• A) interpreting and profiling the clusters
• B) deciding on the number of clusters
• C) assessing the validity of clustering
• D) both B and C

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