Paired two sample t-test | step-by-step examples

This video reviews the paired two sample t-test and works through several examples of how it works. Step-by-step examples of how to perform the paired two sample t-test are described. The video also illustrates the differences between paired and unpaired t-tests. This is the video that answers the questions: how do I do a paired t-test? StatsExamples website: http://www.statsexamples.com/ Link to the video which introduces the two sample t-test: https://youtu.be/tuQ23QGOeLo 00:00 - Introduction and review 04:53 - Example #1 (pectoral fin ray asymmetry in fish) 10:30 - Example #2 (two species of flowers in a region) 12:40 - Example #3 (cholesterol levels before and after taking a drug) 15:44 - Final words about the paired t-test CNN story about the twins festival: http://www.cnn.com/interactive/2017/08/health/twins-festival-cnnphotos-trnd/ #StatsExamples #PairedTtest #Ttest #stats #statistics ========music, image, and video credits======== All non-original images are believed to be in the public domain, available under a CC-0 or CC-by-SA license, obtained under paid license, or used under a "fair use" interpretation. If you believe that an item you own the copyright to is here, please contact us using the email available on the "About" section of the channel. Details of credits for this video can be found at: http://www.statsexamples.com/credits-videos.html Images from Storyblocks under a license.