GMAT Ninja Quant Ep 16: Statistics Part II

Do you lack confidence in approaching statistics questions on the GMAT or Executive Assessment? Have you ever gotten tangled up in a stats question that appeared simple at first glance? Are you unsure how to approach standard deviation, weighted averages, or percentiles questions? In this video, Alex -- a GMAT Ninja tutor -- will show you how to think about statistics questions on the GMAT or EA. He'll help you see through the word soup to understand what the question is really asking you to do. While the video might reveal a weakness here or there, the most challenging statistics questions are often just a vehicle for layers of reasoning. This is video #16 in our series of full-length GMAT quant lessons. For updates on upcoming videos, please subscribe! This video will cover: ➡️ Pitfalls with standard deviation, weighted averages, percentiles questions ➡️ How to be efficient without sacrificing accuracy ➡️ How to leverage algebra and/or logical methods as needed This video is for you if: ➡️ You struggle with statistics fundamentals ➡️ You know the formulas, but don’t know what to do with them ➡️ You’re an insomniac & stats helps you sleep ➡️ You don’t know why you struggle ➡️ You’re accurate, but want to build efficiency __________________________________________________________________ Need help with your MBA applications? If you'd like referrals to great MBA admissions professionals, please fill out this short form and we’ll send you information on some of our favorite admissions consultants. While some of them are from our MBA admissions consulting team, there are several from other companies we trust and work with regularly: www.gmatninja.com/contact-us-mba-admissions-consulting-referral __________________________________________________________________ Want more GMAT test-prep tips and advice? Subscribe to our YouTube channel: https://www.youtube.com/c/GMATNinjaTutoring For more information about GMAT tutoring: https://www.gmatninja.com/ For more on Alex Cotton, GMAT Ninja’s resident renaissance man: https://www.gmatninja.com/alex-cotton-nyc-gmat-gre-tutor ________________________________________________________________________________________ Chapters: 00:00 Introduction 01:44 Q1 - Intro to Standard Deviation 13:51 Q2 - Changing the elements 21:26 Q3 - Combining sets 28:45 Q4 - Mixtures 39:08 Q5 - Efficient paths 47:17 Q6 - Percentiles