Question

If on a scatter plot, there is a cluster of points that follow a certain trend, and one lone point far away that also follows that trend, is that lone point an outlier?

Answer 1

yes!

Explanation:

The point away from the cluster would be an outlier because it is away from the points that are together and it is just not a part of them so it would be an outlier.

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Answer 2

Answer: Since most of the clustering algorithms have a minimum threshold of data points to form a cluster, the outliers are the lone data points that are not clustered.

Explanation: