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Statistics

2 years ago

What is meant by the concepts of parametric and non-parametric approaches in statistical analysis, and how do these two methods differ in their assumptions and applicability?

Data Scientist

PayPal

Datadog

Careem

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2 years ago

Metrics and Experimentation

2 years ago

If you were tasked with building a metric to compare two user's Netflix recommended lists of movie/tv show preferences, how would you approach this challenge?

Data Scientist

PayPal

Square

Segment

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2 years ago

Behavioral

2 years ago

Tell me about a time where you were unpopular thanks to a decision you imposed on your team

Data ScientistSoftware EngineerTechnical Program ManagerBackend Engineer

PayPal

Deliveroo

Pendo

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2 years ago

Coding

2 years ago

Consider an array of sorted integers from 0 to n. Your task is to find the integer that introduces a problem. Write a function that accomplishes this task with a time complexity of O(log n).

Data Scientist

PayPal

InVision

Workday

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2 years ago

Coding

2 years ago

How do you go about writing a recursive function for calculating the nth Fibonacci number?

Data Scientist

PayPal

EPAM Systems

SwiftKey

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2 years ago

Behavioral

2 years ago

Tell me about a time when you had to compromise

Data ScientistFull Stack Software EngineerProgram ManagerFrontend Engineer

PayPal

Zscaler

ETRADE

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2 years ago

SQL

2 years ago

What makes window functions stand out in SQL compared to traditional aggregation and join operations?

Data Scientist

PayPal

Stitch Fix

Quantcast

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2 years ago

Behavioral

2 years ago

You observe that a colleague always arrives late to a weekly meeting. What would you do?

Data ScientistProduct ManagerBackend EngineerTechnical Program Manager

PayPal

MPL

Commvault

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2 years ago

Behavioral

2 years ago

What makes you a great fit for PayPal?

Data Scientist

PayPal

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2 years ago

ML Knowledge

2 years ago

What sets Ridge and Lasso apart from each other?

Data Scientist

PayPal

Wish

Apple

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2 years ago

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

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