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Statistics

3 years ago

Find the probability of selecting a red ball and then a blue ball, or vice versa, from a group of 4 red balls and 2 blue balls in two successive selections.

Data Scientist

Square

thredUP

Samsung

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3 years ago

ML Knowledge

3 years ago

How is the performance of a classification model represented by an ROC curve and its AUC?

Data Scientist

Square

Postmates

Airtable

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3 years ago

ML Case

3 years ago

Let's talk about your predictive modeling approach when it comes to determining whether future customers will buy a particular software. What variables and insights would make up your dataset?

Data Scientist

Square

Snowflake

Tableau

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3 years ago

ML Knowledge

3 years ago

How do you explain the distinction between bias and variance in machine learning?

Data Scientist

Square

Samsung

Qualcomm

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3 years ago

Behavioral

3 years ago

Why do you want to work at Square?

Data Scientist

Square

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3 years ago

Statistics

3 years ago

Can you outline your process for evaluating whether a Gaussian mixture model is appropriate for a specific data set?

Data Scientist

Square

Zalando

Deloitte

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3 years ago

Behavioral

3 years ago

Tell me about a time when you had to finish a project with someone you didn't get along with.

Data ScientistEngineering ManagerUX DesignerUX Researcher

Square

Docker

CarMax

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3 years ago

Statistics

3 years ago

How would you differentiate between parametric and non-parametric statistical approaches, and what implications do these differences have in data analysis?

Data Scientist

Square

Rackspace

Zulily

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3 years ago

Behavioral

3 years ago

How did you handle a piece of difficult feedback you received?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Square

Xilinx

Bentley Systems

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3 years ago

SQL

3 years ago

What is the process you use to determine the rolling average of a metric over a set time period?

Data Scientist

Square

Workday

Udacity

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3 years ago

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

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