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Use Excel to perform the following data analysis.
- Plot the data on a scatter plot.
- Determine the ideal number of clusters.
- Choose random center points (centroids) for each cluster. (Note: Each student will select a different random set of centroids.)
- Using a standard distance formula measure the distance from each data point to each center point.
- Assign each data point to an initial cluster region based on closeness.
- For each cluster calculate new center points.
- Repeat steps 4 through 6.