Scatter graphs are used to represent and compare two sets of data. By looking at a scatter graph, we can see whether there is any connection (correlation) between the two sets of data. Matt sells ...

Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important. Bar charts ...

The difference between the average distance of normalized stock returns from two different periods can be used as an indicator to foresee a financially turbulent period by defining a threshold value ...