Exhibit 4-2. The following dendrogram produced byXLMiner for a hierarchical numb

Question

Exhibit 4-2. The following dendrogram produced byXLMiner for a hierarchical number of d to a data set with 30 observations. Two black lines were added to visualize a reduction in the clusters.) Dendrogram 29. Refer to Exhibit 4-2. The two added black dashed lines shows the reduction in the number of clusters from a. 6 to 5 b, 7 to 6 c. 8 to 7 d. 9 to 8 Ans: C 30. Refer to Exhibit 4-2. The cost ofreducing the number ofclusters from 8 to 7 is about a, 10 units of Distance b. 2.5 units of Distance c. 15 units of Distance d. 5 units of Distance Ans: B 31. Refer to Exhibit 4-2. The cost of reducing the number of clusters from 3 to 2 is about a. 29 18 units of Distance b. 40-29 units of Distance

Explanation / Answer

cluster means the distance between one cluster to second cluster.

30. 5-2.5 = 2.5 units of distance

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