Varianza y desviación estándar | Introducción

Brief introduction to the concepts of variance and standard deviation, explaining the difference between variance for a sample and a population of data, as well as an example for ungrouped data, within the Variance and Deviation course. Complete Variance and Deviation Course:    • Varianza y desviación (Curso COMPLETO)   _________________________________________________________________ If you want to help me keep the channel growing, you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: paypal.me/profeAlex Become a channel member: https://www.youtube.com/matematicaspr... _________________________________________________________________ Download my MathAlex app: http://onelink.to/vmcu3e Visit my website: www.MatematicasProfeAlex.com Follow me on my social media: Facebook:   / matematicasprofealex   Instagram:   / matematicasprofealex   Contact: Business only, press: [email protected] 0:00 Greetings 0:15 Concepts you should know 0:45 Let's clarify 2:18 Example solution 7:58 Standard deviation 9:10 Practice exercise