CMU’s world-renowned Department of Statistics & Data Science combines theory, practical statistics and modern tools to prepare students for real-world challenges.

In other words, we want to know if we have relationships, associations, or differences within our data and whether statistical significance exists. Inferential statistics help us make these ...

Raw data would make all of this impossible or hard to figure out but these two techniques – data visualization and descriptive statistics – can make it easy. “When it comes to data visualization and ...