- Tags:: # - ![Normal Distribution vs. t-distribution – GeoGebra](https://www.geogebra.org/resource/xp7A3A53/uzHZ4VnO8dAwAMku/material-xp7A3A53.png) - Like a normal distribution but with thicker tails. - Used to describe the distribution of sample means, differences between two samples means... - Requires that the distribution of the statistic is normally distributed (most sample statistics are): in essence, is a "degenerated" normal distribution when you don't have enough samples. - Refs: - [[Practical statistics for data scientists|Practical Statistics For Data Scientists]] t-student.