Question: Question 4 Call the USArrests data into R. A) Perform k-means clustering on the four variables. Produce a screeplot, and use it to choose an

Question 4 Call the USArrests data into R. A) Perform k-means clustering on the four variables. Produce a screeplot, and use it to choose an appropriate cluster number. B) Run k-means clustering using the chosen number of clusters from Part A. Report the selected centroids, and SSB/SST value. C) Perform k-medoids clustering on the four variables. Produce some silhouette plots, and use them to choose an appropriate cluster number. D) Run k-medoids clustering using the chosen number of clusters from Part C. Report the selected medoids, and the final cost value

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