Perform k-means clustering on the accompanying data set. a. Use variables x 1 , x 3 ,

Question:

Perform k-means clustering on the accompanying data set.

a. Use variables x₁, x₃, and x₅ in the analysis. Do not standardize the variables. Set the number of clusters to 4. What are the size and cluster center values for the largest cluster?

b. Perform the same analysis as in part a, but with variables standardized to z-scores. What are the size and cluster center values for the largest cluster?

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