[sillymath3]

In 10.4 A/B testing is just a list with several points and there is not warning about having a deep understanding. For example, the point of selecting a sample is not easy, if you take a sample of something on 1 july of 2020, you have to consider if the weather, the day of week, people on vacation or anyone of thousands of factor is going to make your sample not adequate to generalize the result to other circumstances. Using statistics correctly requires neutralizing many sources of errors. It is not easy to get a good representative sample.