In today's episode, we welcome our special guest, Olivia Urquhart, who is a faculty member at Penn Dental Medicine's Center for Integrative Global Oral Health as well as an epidemiologist by training. Along with her professional background, Olivia also has a passion for biostatistics. In today's episode, she will discuss the topic of Standard Deviation alongside one of our hosts, Dr. Alonso Carrasco-Labra. Olivia and Alonso have a very enlightening conversation including common misconceptions with standard deviation, how it relates to other terms we often hear in statistics, and how we can apply this concept on a day-to-day basis. To view this episode's corresponding video of "Statistics with Hans & Hera," please visit the following link: https://youtu.be/4G6avQ5fCuA