Statistical Power, Clearly Explained!!!

Statistical Power is one of those things that sounds so fancy and, well, "Powerful", but it's actually a really simple concept and this video explains it so it's clear as day. NOTE: This StatQuest assumes that you are already familiar with p-values and the normal distribution. If not, check out the 'Quests... p-values: What they are and how to interpret them: https://youtu.be/vemZtEM63GY How to calculate p-values: https://youtu.be/JQc3yx0-Q9E The normal distribution: https://youtu.be/rzFX5NWojp0 For a complete index of all the StatQuest videos, check out: https://statquest.org/video-index/ If you'd like to support StatQuest, please consider... Patreon: https://www.patreon.com/statquest ...or... YouTube Membership: https://www.youtube.com/channel/UCtYLUTtgS3k1Fg4y5tAhLbw/join ...buying one of my books, a study guide, a t-shirt or hoodie, or a song from the StatQuest store... https://statquest.org/statquest-store/ ...or just donating to StatQuest! https://www.paypal.me/statquest Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter: https://twitter.com/joshuastarmer 0:00 Awesome song and introduction 0:37 Concepts of Statistical Power 3:19 Definition of Statistical Power 4:57 Overlap and Statistical Power 6:35 Sample size and Statistical Power 7:03 Summary of concepts #statquest #statistics