Today, we welcome back special guest Olivia Urquhart, a faculty member at Penn Dental Medicine's Center for Integrative Global Oral Health and an epidemiologist with a passion for biostatistics. In this bite-sized episode, Olivia and one of our hosts, Dr. Alonso Carrasco-Labra, discuss the topic of Random Error and Bias. Olivia and Alonso delve into the topic and discuss how we may encounter random error and bias in everyday life, common misconceptions in regard to random error and bias, and why it is important for researchers and clinicians to understand this concept.   To view this episode's corresponding video of "Statistics with Hans & Hera," please visit the following link: https://youtu.be/lxtbnHckHgs