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Statistics
a year ago
How to calculate the probability of the event "2X is greater than Y", given that X and Y are independent random variables with uniform distributions and mean = 0 and standard deviation = 1?
Data Scientist

Etsy

Juniper Networks

Gusto

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a year ago
SQL
a year ago
Let's imagine we have a list of (date, duration) tuples. How would you filter by a specific time frame and then calculate summary stats like the average duration and rolling sum?
Data Scientist

Etsy

Samsara

GitLab

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a year ago
Behavioral
a year ago
When have you taken a risk?
Data ScientistFrontend EngineerAndroid EngineerSales Engineer

Etsy

Panasonic Logo

Panasonic

Leidos Logo

Leidos

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a year ago
Coding
a year ago
How can dynamic programming aid in identifying the longest progressive subsequence within an array?
Data Scientist

Etsy

StubHub Logo

StubHub

Chime Logo

Chime

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a year ago
Coding
a year ago
How confident are you in your ability to write Python code that generates the Fibonacci sequence? Can you walk us through your approach?
Data Scientist

Etsy

Fitbit Logo

Fitbit

Deloitte Logo

Deloitte

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a year ago
ML Knowledge
a year ago
I'm interested in your experience using cross-validation to assess the effectiveness of a machine learning model.
Data Scientist

Etsy

Walmart Logo

Walmart

Ancestry Logo

Ancestry

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a year ago
ML Knowledge
a year ago
Describe how a 1D CNN works.
Data Scientist

Etsy

Figma Logo

Figma

UberEats Logo

UberEats

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a year ago
SQL
a year ago
What steps would you take to enhance the speed of an inefficient SQL query?
Data Scientist

Etsy

Twitch Logo

Twitch

Grafana Labs Logo

Grafana Labs

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a year ago
Statistics
a year ago
What is the distinction between type I and type II errors when conducting a hypothesis test? And do you believe one is more detrimental than the other?
Data Scientist

Etsy

Scribd Logo

Scribd

DataRobot Logo

DataRobot

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a year ago
Behavioral
a year ago
Please describe one conflict scenario that you have dealt with
Data ScientistFull Stack Software EngineerData AnalystFrontend Engineer

Etsy

Palantir Technologies Logo

Palantir Technologies

Wealthfront Logo

Wealthfront

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a year ago

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

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