Call the USArrests data into R. The dataset contains crime data for the fifty states R>attach(USArrests) A) Using k-mean

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Call the USArrests data into R.
The dataset contains crime data for the fifty states
R>attach(USArrests)
A) Using k-means clustering on the four variables, produce
a scree plot showing the within sum of squares deviation for each
different cluster number.
B) How many clusters should be chosen from Part A? Report
the SSB/SST.
C) Using k-medoids clustering on the four variables, choose
the appropriate number of clusters based on silhouette
measures.
D) Report the selected medoids form Part C.