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Data Science Interview Questions

Data Science interview questions

Most recent answer on Aug 30, 2023

Hagen

Expert

#1 Bain coach | >95% success rate | interviewer for 8+ years | mentor and coach for 7+ years

Hagen

Expert

gave the best answer on Mar 23, 2023

#1 Bain coach | >95% success rate | interviewer for 8+ years | mentor and coach for 7+ years

Hi there, I think this is an interesting question that may be relevant for many people. I would be happy to share my thoughts on it: First of all, while I have not used the website myself, if you feel the difficulty lev ... (read entire answer)

4
Answers

1.1 k
Views

47
Total Upvotes

on Aug 30, 2023 on Aug 30, 2023
Last Activity

Preparation tips for BCG Gamma / Analytics Consulting Interviews

analytics BCG BCG gamma Case Data Science Gamma

Most recent answer on Aug 10, 2023

Anonymous B gave the best answer on May 11, 2019

When I interviewed at GAMMA I got both business case interviews and technical case interviews. Business case interviews are as usual. Technical case interviews have the same structure with fit and Q&A, but includes ... (read entire answer)

4
Answers

7.1 k
Views

4
Total Upvotes

on Aug 10, 2023 on Aug 10, 2023
Last Activity

QuantumBlack Data Science Technical Experience Interview

Data Science Digital McKinsey McKinsey Technical Experience Interview

Most recent answer on Aug 02, 2023

gave the best answer on Aug 02, 2023

Hi there, Honestly, it depends. It depends on the wording that they have used to describe this process. When in doubt, you can clarify with HR. If they don't clarify, I would try to think of a different data project for ... (read entire answer)

4
Answers

539
Views

20
Total Upvotes

on Aug 02, 2023 on Aug 02, 2023
Last Activity

Looking for exciting discussions from the community?

Work-life balance in Data Science / Analytics @ QuantumBlack / BCG Gamma

BCG gamma Data Science Digital McKinsey

Most recent answer on Dec 19, 2022

Cristian

Expert

#1 rated MBB & McKinsey Coach

Cristian

Expert

gave the best answer on Dec 19, 2022

#1 rated MBB & McKinsey Coach

Hi there, Haha, yes, it would be hard to concentrate for 12h per day in a data science role. But realistically a data science role in a consulting company will require you to do more than coding. You'll also have to i ... (read entire answer)

5
Answers

2.0 k
Views

18
Total Upvotes

on Dec 19, 2022 on Dec 19, 2022
Last Activity

Looking for Data Science case preps

data Data Science

Most recent answer on Jun 30, 2022

gave the best answer on Jun 28, 2022

Hi Kate, Q&A is a good was as is the candidate listing. Unfortunately these interviews aren't that common, but you can also look on other communities like Reddit, Fishbowl, etc. Good luck!

4
Answers

477
Views

10
Total Upvotes

on Jun 30, 2022 on Jun 30, 2022
Last Activity

Mckinsey Recruiting Timeline for CS roles (software engr, data science, etc.)

Data Science McKinsey

Most recent answer on Feb 09, 2022

Lucie

Expert

10+yrs recruiting & BCG Project leader

Lucie

Expert

gave the best answer on Feb 09, 2022

10+yrs recruiting & BCG Project leader

Hi Emma, if you are applying within the recruiting waves (fresh grads) then the process takes approx. 6-8 weeks, 2 weeks in between each step. As a regular role application, it can take up to 6 months given the number ... (read entire answer)

3
Answers

782
Views

18
Total Upvotes

on Feb 09, 2022 on Feb 09, 2022
Last Activity

McKinsey QuantHub Assessment (Data Science Analyst Role)

Assessment Data Science McKinsey

Most recent answer on Jan 29, 2022

Clara

Expert

McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut

Clara

Expert

gave the best answer on Nov 30, 2021

McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut

Hello! Unfortunately no, although I have looked for examples in several occasions and haven´t found them. It´s still really niche :( Good luck! Cheers, Clara

3
Answers

8.9 k
Views

3
Total Upvotes

on Jan 29, 2022 on Jan 29, 2022
Last Activity

Cases for Analytics

analytics Data Science optimization

Most recent answer on Sep 10, 2021

gave the best answer on Sep 10, 2021

Hi there, It's rare that I don't have material for a request! While I'm wary of saying something “doesn't exist”, I have yet to see a case that is well tailored for DataScience positions…at least on case prep sites.

3
Answers

734
Views

57
Total Upvotes

on Sep 10, 2021 on Sep 10, 2021
Last Activity

BCG Gamma Inteviews

BCG gamma Data Science

Most recent answer on Apr 05, 2021

gave the best answer on Apr 05, 2021

Hi Yassine, Hi there, It does depend on what role you're coming in as. However, they will generally give you both a traditional case AND a technical test (i.e. R,Python,SQL and work pulling, cleaning, manipulating ... (read entire answer)

1
Answer

1.5 k
Views

16
Total Upvotes

on Apr 05, 2021 on Apr 05, 2021
Last Activity

Oliver Wyman Data Science vs AT Kearney Analytics

A.T. Kearney analytics Data Science germany Oliver Wyman

Most recent answer on Nov 28, 2020

Anonymous B gave the best answer on Jul 03, 2019

I would suggest you to look into the industry focus, project types, and working approaches of these two companies.

2
Answers

2.9 k
Views

2
Total Upvotes

on Nov 28, 2020 on Nov 28, 2020
Last Activity

Strategy& exist opportunities

Data Science strategy&

Most recent answer on Jul 25, 2020

Anonymous gave the best answer on Jul 24, 2020

No. You will need to do some sort of formal qualification in data science however a mix of strategy consulting and a technical data science toolkit will be an excellent combination of skills on your CV and will most lik ... (read entire answer)

4
Answers

1.5 k
Views

8
Total Upvotes

on Jul 25, 2020 on Jul 25, 2020
Last Activity

Best way to find partner for BCG gamma

Data Science

Question edited on Jan 15, 2020

Vlad

Expert

McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School

Vlad

Expert

gave the best answer on Jan 14, 2020

McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School

Hi, I recommend the following approach: 1) Start with "Case in point" book - you can download this book for free everywhere. It's not the best guide on how you should approach the cases, however, it will give you t ... (read entire answer)

5
Answers

1.5 k
Views

6
Total Upvotes

on Jan 15, 2020 on Jan 15, 2020
Last Activity

Do you have a question for our consulting experts, too?

McKinsey Data Science QuantHub Assesment

BCG McKinsey and Bain Data Science Digital McKinsey internship

Most recent answer on Dec 17, 2019

Clara

Expert

McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut

Clara

Expert

gave the best answer on Dec 17, 2019

McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut

Hello, plz send me a PM if you are still interested. I can connect you with another candidate who just did it. Cheers, Clara

1
Answer

6.1 k
Views

2
Total Upvotes

on Dec 17, 2019 on Dec 17, 2019
Last Activity

Last year, I got rejected from the consulting position at McKinsey? Am I also banned from non-consulting positions?

Data Science McKinsey

Most recent answer on Jul 07, 2019

gave the best answer on Jul 07, 2019

Hi, My guess is no, as they operate somewhat independently. It can't hurt to check with HR or someone working within that team - after all, it's not a bad networking excuse!

2
Answers

2.1 k
Views

1
Total Upvotes

on Jul 07, 2019 on Jul 07, 2019
Last Activity

I have a phone interview coming up with Oliver Wyman for a data scientist position. Any advice or tips? Thanks!

Data Science dubai Oliver Wyman interview

Recent activity on Jun 02, 2019

Anonymous gave the best answer on Jun 03, 2019

Hi George Philippe, are you going to take Oliver Wyman's LShift Coding Challenge? Best regards

2
Answers

2.1 k
Views

1
Total Upvotes

on Jun 02, 2019 on Jun 02, 2019
Last Activity

15 results

Consulting Q&A – Ask Questions about Your Career

In this overview, you will find all the questions asked so far by the PrepLounge community. Anyone can ask questions and write answers. Our coaches are also happy to share their expertise. If you like an answer, give it an upvote so that it rises to the top. Here you can also find our guidelines and FAQs for the Consulting Q&A.