Data Masked @DS_JobInterview

Just use twitter as a personal repository to put product data science interview questions I hear about and find interesting. datamasked.com Joined February 2016

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Data Masked @DS_JobInterview

6 years ago

Tell me about a situation in which your analysis results were different than what you would have expected. Why was that? What did you do?

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Data Masked @DS_JobInterview

6 years ago

How would you decide if it makes sense for Google to launch Youtube TV using non-experimental data before the launch?

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Data Masked @DS_JobInterview

6 years ago

If I wanted to increase the number of messages sent via Whatsapp, should I focus on increasing current user engagement or getting new users?

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Data Masked @DS_JobInterview

6 years ago

How would you test if the smart-compose feature on gmail is successful?

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Data Masked @DS_JobInterview

6 years ago

If dealing with unbalanced data, what's the difference conceptually between changing class weights (via over/under sampling) and changing the model cut-off point?

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Data Masked @DS_JobInterview

6 years ago

A/B test won. We made the change for all users. After a few weeks, we want to double check if the metric actually went up after the change. How can we do that?

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Data Masked @DS_JobInterview

6 years ago

Which data would you use to figure out if it makes sense to build a pet page at FB?

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Data Masked @DS_JobInterview

6 years ago

How would define the effectiveness of Gmail archive button?

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Data Masked @DS_JobInterview

6 years ago

Our dashboard at Google shows a sudden drop for a given metric. It was because of a logging bug and was fixed quickly. Would you still do some analysis related to that event? What would you look at?

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Data Masked @DS_JobInterview

6 years ago

If you had to define the most important metrics for Stripe, which one would you choose?

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Data Masked @DS_JobInterview

6 years ago

How would you figure out if it makes sense for FB to run Whatsapp and FB Messanger as two separate apps or merge them into one?

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Data Masked @DS_JobInterview

6 years ago

Which non-experimental data would you use to figure out if FB should do auto-play or not for videos shown in the newsfeed? How would you design a test to check if your hypothesis was right?

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Data Masked @DS_JobInterview

6 years ago

If you had to guess the value of a user landing on Airbnb homepage for the first time, how much would that be? Why? How would you estimate that number reliably had you access to Airbnb database?

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Is it better to place google ads in a deterministic way (always in the same place on the page) or probabilisticly (each search result spot has a fixed probability of being used for ads)? Assume both ways will have the same number of ads shown.

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Data Masked @DS_JobInterview

6 years ago

Walk me through the process that led to test the story feature on Instagram. What was the data-driven hypothesis, how you would have tested it, metrics, etc.

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Data Masked @DS_JobInterview

6 years ago

Avg number of likes per FB user per day is larger, smaller, or same as median? Can you give an example of a metric where the relationship avg-median is flipped?

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Data Masked @DS_JobInterview

6 years ago

If you had to improve FB marketplace, what would you do?

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Data Masked @DS_JobInterview

6 years ago

Do you think Postmates new courier referral bonus is higher for new couriers signing up in San Francisco or the Peninsula(Bay Area)? How would you find out the optimal bonus value?