Sample Size Estimation in A/B Testing: Easy Explanation for Data Science Interviews

In this video, we will go over one of the top A/B testing questions I've seen in data science interviews: how to estimate sample size in A/B testing? This is the first video of a video series - Top A/B testing questions in Data Science interviews. ✅ A/B Testing Playlist https://bit.ly/3NNJhN8 ✔️ Derivation of sample size equation - Statistical Rules of Thumb - Chapter 2: Sample Size http://vanbelle.org/chapters/webchapter2.pdf 🟢Get all my free data science interview resources https://www.emmading.com/resources 🟡 Product Case Interview Cheatsheet https://www.emmading.com/product-case-cheat-sheet 🟠 Statistics Interview Cheatsheet https://www.emmading.com/statistics-interview-cheat-sheet 🟣 Behavioral Interview Cheatsheet https://www.emmading.com/behavioral-interview-cheat-sheet 🔵 Data Science Resume Checklist https://www.emmading.com/data-science-resume-checklist ✅ We work with Experienced Data Scientists to help them land their next dream jobs. Apply now: https://www.emmading.com/coaching // Comment Got any questions? Something to add? Write a comment below to chat. // Let's connect on LinkedIn: https://www.linkedin.com/in/emmading001/ ==================== Contents of this video: ==================== 0:00 Intro 0:40 How A/B Testing Questions Appear in Interviews 2:03 Rule of thumb formula 3:20 Alpha (Significance Level) 4:15 Beta (Type II Error) 4:56 Variance 5:36 Delta 6:36 Summary #abtesting #datascience #EmmaDing #DataInterviewPro