In this post I am going to talk briefly about outliers and the effect they might have on your data. With an example of course. Let's start with defining the word "outlier": what is an outlier in math/statistics?
An outlier is basically a number (or data point) in a set o data that is either way smaller or way bigger than most of the other data points.
Let's go through a practical example in order to understand the implications of having an outlier within your data set.