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Using Rstudio Create a scree plot by plotting within-group sum of squares (y axis) against number of kmeans clusters (x axis), for values of k

Using Rstudio Create a scree plot by plotting within-group sum of squares (y axis) against number of kmeans clusters (x axis), for values of k ranging from 2 to 15. Based on the scree plot, what is an appropriate number of clusters for this data set, and why

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