In this chapter, we have seen why statistics matter and which statistics matter. We have learned about split testing and what the do’s and don’ts are. We have some idea of what tools are available for it and what we need to do to set up a split test of our own apps. We learned something about metrics and about the importance of acquisition and retention.
In the next chapter, we will learn more about retention and how we can further improve it. We are going to improve traction and examine some practical approaches to accomplish that for our app. Let's get started.