Natalia Ogneva

Today, nearly all companies in the IT industry use AB testing to evaluate the value of a feature. They test all changes in applications and websites, allowing someone to determine which feature is the winner every day. As a result, numerous discussions revolve around experiments and AB tests, with a common misconception being the prohibition of applying t-tests for abnormal distributions. Let’s delve into this topic and find the correct answer! Problem Formulation Let’s look