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Behavioral

5 months ago

Would you be willing to share an experience where you took a risk?

Data ScientistML Engineering ManagerData Engineering ManagerData Science Manager

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Acorns

Wayfair

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5 months ago

SQL

5 months ago

What would be the SQL query to fetch data where names initiate with 'H'?

Data Scientist

Optimizely

Robinhood

AT&T

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5 months ago

Statistics

5 months ago

How would you calculate the expected frequency of heads and tails on a fair coin to compare to the actual results?

Data Scientist

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Stitch Fix

NetApp

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5 months ago

Behavioral

5 months ago

I want you to share a lesson you learned from a major failure at work.

Data ScientistData Science ManagerEngineering ManagerUX Designer

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Einride

Carta

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5 months ago

Coding

5 months ago

Find the 18th largest element in a given array

Data Scientist

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Headspace

Binance

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5 months ago

Statistics

5 months ago

How do you approach the calculation of the likelihood for k heads in n coin flips?

Data Scientist

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Airbnb

Boeing

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5 months ago

Metrics and Experimentation

5 months ago

Imagine you're building a metric to compare two user's Netflix recommended lists of movie/tv show preferences. What factors would you prioritize in the development process?

Data Scientist

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Tinder

eBay

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5 months ago

SQL

5 months ago

Could you please create an ER diagram that represents the relationships between the tables used in the song information database?

Data Scientist

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Bitdefender

Commvault

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5 months ago

Statistics

5 months ago

Explain the importance of the Wilk-Shapiro measure when analyzing data in various fields, including business, finance, and science.

Data Scientist

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Pendo

Quora

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5 months ago

ML Knowledge

6 months ago

Have you faced any challenges in detecting anomalies and how did you overcome them?

Data Scientist

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Brex

Zalora

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6 months ago

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^*All interview questions are submitted by recent Optimizely Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at Optimizely.

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