Question: Q1/ a) Explain dendrogram. What could be the possible reason(s) for producing two different dendrograms using agglomerative clustering algorithm for the same dataset? b) In

Q1/

a) Explain dendrogram. What could be the possible reason(s) for producing two different dendrograms using agglomerative clustering algorithm for the same dataset?

b) In which cases K-Means clustering algorithm fails to give good results?

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