Finding Outliers in Data

In this lesson, an explanation is provided on what outliers in data are and how to detect them.

What is an outlier?

Anything that lies outside the normal distribution of the provided dataset is known as an outlier. Let’s suppose a list has these elements: [32,30,39,35,31,4,37]. It is quite evident that 4 is the outlier in this list because all the other elements lie around a mean value of 35. Similarly, any data point that behaves differently from the rest of the set is known as an outlier.

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