
Averages by Other Names | Understanding Medical Research
YaleCourses, 11 min, 6.1K views, Jul 31, 2020
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An average can be a mean or a median, and which one a study uses tells you what shape its data has. This video covers means, medians, standard deviation, and the interquartile range, and how to read them in a medical paper. Chapters: 00:00 Goals 00:35 Blackjack and the house edge 01:16 A histogram of blackjack winnings 02:37 Mean and standard deviation 04:55 Mean and standard deviation in a medical study 06:17 Non-normal data and the median 08:16 Interquartile range 10:20 Take-home points Learning objectives: After watching, you'll be able to: - Define mean, median, standard deviation, and interquartile range - Interpret what a standard deviation says about the spread of a group in a study - Explain why a median summarizes skewed data better than a mean šŗ Watch the full playlist on YouTube: https://www.youtube.com/playlist?list=PLh9mgdi4rNewVyTec_MVGxIbNSEeMhEsZ š Enroll on Coursera for assessments and a certificate: https://www.coursera.org/learn/medical-research š Explore more learning opportunities on Yale Online: https://online.yale.edu/courses/understanding-medical-research-your-facebook-friend-wrong