Null Hypothesis – Definition:
The null hypothesis in a statistical test is the default position that there is no relationship or significant difference between two sets of observations. If a test shows a significant difference between two experiences the null hypothesis is said to be rejected.
Z Scores – Z score table and how to use it.
A/B testing software – Which A/B testing tools should you choose?
Types of A/B tests – How to optimise your website’s performance using A/B testing.