A/B Testing Interview with a Google Data Scientist

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I'm back with Sandeep, an ex-Google data scientist and Ph.D. student at the University of Minnesota, who answers an A/B testing mock interview question asked by several companies like Airbnb, Asana, and Square.

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Thanks for the great video Jay. I just wish there was a portion in the end of the video dedicated towards Sandeep receiving some feedback for us viewers to understand what he got right and wrong.

prithviprakash

Thanks for sharing Jay!
As a fellow data scientist (and fellow STEM youtuber) in Australia, can say that I've actually been asked very similar design thinking type questions in my interviews!

candidlyvivian

Hi found this really insightful. Thank you. anyone please help me to answer this question which I got recently: "what is the right size for an experiment? /How do you decide sample size for an experiment?/ What is the right size for an experiment?" I understood we need to decide
based on practical significance, , but can you please help me to understand with an example? TIA!

pavan

Thank you very much, Sandeep, for your detailed and clear answer. A big thanks to Jay as well for the great questions.

jeremynx

This post is little old but I would still add points here:
We could do something like treatment I and II groups testing $5 and $15 that will capture both less than and greater than 10.
Also the last question was about novelty effect. So mentioning that should help.

chiranjeeveemohapatra

*I wish I could get a Product Analyst Internship at Google.*

aravindkramesh

This is great. Thanks so much for posting, Jay and Sandeep!

MissAngelFaace

I first thought of people not wanting to provide a payment method or bank account and being put off because of that

fmxy

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